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Merge branch 'docs-variables-reading-level' into 'master' 

Revamp predefined variables page

See merge request gitlab-org/gitlab!53119
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doc/ci/variables/predefined_variables.md
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# Predefined variables reference
For an introduction on this subject, read through the
[CI/CD variables](README.md) document.
Predefined [CI/CD variables](README.md) are available in every GitLab CI/CD pipeline.
Some of the predefined variables are available only if a minimum
version of [GitLab Runner](https://docs.gitlab.com/runner/) is used. Consult the table below to find the
version of GitLab Runner that's required.
Some variables are only available with more recent versions of [GitLab Runner](https://docs.gitlab.com/runner/).
You can add a command to your `.gitlab-ci.yml` file to
[output the values of all variables available for a job](README.md#list-all-environment-variables).
You can [output the values of all variables available for a job](README.md#list-all-environment-variables)
with a `script` command.
Kubernetes-specific variables are detailed in the
[Kubernetes deployment variables](../../user/project/clusters/index.md#deployment-variables) section.
There are also [Kubernetes-specific deployment variables](../../user/project/clusters/index.md#deployment-variables).
| Variable | GitLab | Runner | Description |
|------------------------------------------|--------|--------|-------------|
| `CHAT_CHANNEL` | 10.6 | all | The Source chat channel that triggered the [ChatOps](../chatops/index.md) command. |
| `CHAT_INPUT` | 10.6 | all | The additional arguments passed with the [ChatOps](../chatops/index.md) command. |
| `CI` | all | 0.4 | Available for all jobs executed in CI/CD. `true` when available. |
| `CI_API_V4_URL` | 11.7 | all | The GitLab API v4 root URL. |
| `CI_BUILDS_DIR` | all | 11.10 | The top-level directory where builds are executed. |
| `CI_COMMIT_BEFORE_SHA` | 11.2 | all | The previous latest commit present on a branch. Is always `0000000000000000000000000000000000000000` in pipelines for merge requests. |
| `CI_COMMIT_BRANCH` | 12.6 | 0.5 | The commit branch name. Available in branch pipelines, including pipelines for the default branch. Not available in merge request pipelines or tag pipelines. |
| `CI_COMMIT_DESCRIPTION` | 10.8 | all | The description of the commit. If the title is shorter than 100 characters, the message without the first line. |
| `CI_COMMIT_MESSAGE` | 10.8 | all | The full commit message. |
| `CI_COMMIT_REF_NAME` | 9.0 | all | The branch or tag name for which project is built. |
| `CI_COMMIT_REF_PROTECTED` | 11.11 | all | `true` if the job is running for a protected reference. |
| `CI_COMMIT_REF_SLUG` | 9.0 | all | `CI_COMMIT_REF_NAME` in lowercase, shortened to 63 bytes, and with everything except `0-9` and `a-z` replaced with `-`. No leading / trailing `-`. Use in URLs, host names and domain names. |
| `CI_COMMIT_SHA` | 9.0 | all | The commit revision the project is built for. |
| `CI_COMMIT_SHORT_SHA` | 11.7 | all | The first eight characters of `CI_COMMIT_SHA`. |
| `CI_COMMIT_TAG` | 9.0 | 0.5 | The commit tag name. Available only in pipelines for tags. |
| `CI_COMMIT_TIMESTAMP` | 13.4 | all | The timestamp of the commit in the ISO 8601 format. |
| `CI_COMMIT_TITLE` | 10.8 | all | The title of the commit. The full first line of the message. |
| `CI_CONCURRENT_ID` | all | 11.10 | The unique ID of build execution in a single executor. |
| `CI_CONCURRENT_PROJECT_ID` | all | 11.10 | The unique ID of build execution in a single executor and project. |
| `CI_CONFIG_PATH` | 9.4 | 0.5 | The path to the CI/CD configuration file. Defaults to `.gitlab-ci.yml`. |
| `CI_DEBUG_TRACE` | all | 1.7 | `true` if [debug logging (tracing)](README.md#debug-logging) is enabled. |
| `CI_DEFAULT_BRANCH` | 12.4 | all | The name of the project's default branch. |
| `CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX` | 13.7 | all | The image prefix for pulling images through the Dependency Proxy. |
| `CI_DEPENDENCY_PROXY_PASSWORD` | 13.7 | all | The password to pull images through the Dependency Proxy. |
| `CI_DEPENDENCY_PROXY_SERVER` | 13.7 | all | The server for logging in to the Dependency Proxy. This is equivalent to `$CI_SERVER_HOST:$CI_SERVER_PORT`. |
| `CI_DEPENDENCY_PROXY_USER` | 13.7 | all | The username to pull images through the Dependency Proxy. |
| `CI_DEPLOY_FREEZE` | 13.2 | all | Only available if the pipeline runs during a [deploy freeze window](../../user/project/releases/index.md#prevent-unintentional-releases-by-setting-a-deploy-freeze). `true` when available. |
| `CI_DEPLOY_PASSWORD` | 10.8 | all | The authentication password of the [GitLab Deploy Token](../../user/project/deploy_tokens/index.md#gitlab-deploy-token), if the project has one. |
| `CI_DEPLOY_USER` | 10.8 | all | The authentication username of the [GitLab Deploy Token](../../user/project/deploy_tokens/index.md#gitlab-deploy-token), if the project has one. |
| `CI_DISPOSABLE_ENVIRONMENT` | all | 10.1 | Only available if the job is executed in a disposable environment (something that is created only for this job and disposed of/destroyed after the execution - all executors except `shell` and `ssh`). `true` when available. |
| `CI_ENVIRONMENT_NAME` | 8.15 | all | The name of the environment for this job. Available if [`environment:name`](../yaml/README.md#environmentname) is set. |
| `CI_ENVIRONMENT_SLUG` | 8.15 | all | The simplified version of the environment name, suitable for inclusion in DNS, URLs, Kubernetes labels, and so on. Available if [`environment:name`](../yaml/README.md#environmentname) is set. |
| `CI_ENVIRONMENT_URL` | 9.3 | all | The URL of the environment for this job. Available if [`environment:url`](../yaml/README.md#environmenturl) is set. |
| `CI_HAS_OPEN_REQUIREMENTS` | 13.1 | all | Only available if the pipeline's project has an open [requirement](../../user/project/requirements/index.md). `true` when available. |
| `CI_JOB_ID` | 9.0 | all | The internal ID of the job, unique across all jobs in the GitLab instance. |
| `CI_JOB_IMAGE` | 12.9 | 12.9 | The name of the Docker image running the job. |
| `CI_JOB_JWT` | 12.10 | all | A RS256 JSON web token to authenticate with third party systems that support JWT authentication, for example [HashiCorp's Vault](../secrets/index.md). |
| `CI_JOB_MANUAL` | 8.12 | all | `true` if a job was started manually. |
| `CI_JOB_NAME` | 9.0 | 0.5 | The name of the job. |
| `CI_JOB_STAGE` | 9.0 | 0.5 | The name of the job's stage. |
| `CI_JOB_STATUS` | all | 13.5 | The status of the job as each runner stage is executed. Use with [`after_script`](../yaml/README.md#after_script). Can be `success`, `failed`, or `canceled`. |
| `CI_JOB_TOKEN` | 9.0 | 1.2 | A token to authenticate with [certain API endpoints](../../api/README.md#gitlab-ci-job-token) or download [dependent repositories](../../user/project/new_ci_build_permissions_model.md#dependent-repositories). The token is valid as long as the job is running. |
| `CI_JOB_URL` | 11.1 | 0.5 | The job details URL. |
| `CI_KUBERNETES_ACTIVE` | 13.0 | all | Only available if the pipeline has a Kubernetes cluster available for deployments. `true` when available. |
| `CI_NODE_INDEX` | 11.5 | all | The index of the job in the job set. Only available if the job uses [`parallel`](../yaml/README.md#parallel). |
| `CI_NODE_TOTAL` | 11.5 | all | The total number of instances of this job running in parallel. Set to `1` if the job does not use [`parallel`](../yaml/README.md#parallel). |
| `CI_OPEN_MERGE_REQUESTS` | 13.8 | all | A comma-separated list of up to four merge requests that use the current branch and project as the merge request source. Only available in branch and merge request pipelines if the branch has an associated merge request. For example, `gitlab-org/gitlab!333,gitlab-org/gitlab-foss!11`. |
| `CI_PAGES_DOMAIN` | 11.8 | all | The configured domain that hosts GitLab Pages. |
| `CI_PAGES_URL` | 11.8 | all | The URL for a GitLab Pages site. Always a subdomain of `CI_PAGES_DOMAIN`. |
| `CI_PIPELINE_ID` | 8.10 | all | The instance-level ID of the current pipeline. This ID is unique across all projects on the GitLab instance. |
| `CI_PIPELINE_IID` | 11.0 | all | The project-level IID (internal ID) of the current pipeline. This ID is unique only within the current project. |
| `CI_PIPELINE_SOURCE` | 10.0 | all | How the pipeline was triggered. Can be `push`, `web`, `schedule`, `api`, `external`, `chat`, `webide`, `merge_request_event`, `external_pull_request_event`, `parent_pipeline`, [`trigger`, or `pipeline`](../triggers/README.md#authentication-tokens). |
| `CI_PIPELINE_TRIGGERED` | all | all | `true` if the job was [triggered](../triggers/README.md). |
| `CI_PIPELINE_URL` | 11.1 | 0.5 | The URL for the pipeline details. |
| `CI_PROJECT_CONFIG_PATH` | 13.8 | all | The CI/CD configuration path for the project. |
| `CI_PROJECT_DIR` | all | all | The full path the repository is cloned to, and where the job runs from. If the GitLab Runner `builds_dir` parameter is set, this variable is set relative to the value of `builds_dir`. For more information, see the [Advanced GitLab Runner configuration](https://docs.gitlab.com/runner/configuration/advanced-configuration.html#the-runners-section). |
| `CI_PROJECT_ID` | all | all | The ID of the current project. This ID is unique across all projects on the GitLab instance. |
| `CI_PROJECT_NAME` | 8.10 | 0.5 | The name of the directory for the project. For example if the project URL is `gitlab.example.com/group-name/project-1`, `CI_PROJECT_NAME` is `project-1`. |
| `CI_PROJECT_NAMESPACE` | 8.10 | 0.5 | The project namespace (username or group name) of the job. |
| `CI_PROJECT_PATH_SLUG` | 9.3 | all | `$CI_PROJECT_PATH` in lowercase with characters that are not `a-z` or `0-9` replaced with `-`. Use in URLs and domain names. |
| `CI_PROJECT_PATH` | 8.10 | 0.5 | The project namespace with the project name included. |
| `CI_PROJECT_REPOSITORY_LANGUAGES` | 12.3 | all | A comma-separated, lowercase list of the languages used in the repository. For example `ruby,javascript,html,css`. |
| `CI_PROJECT_ROOT_NAMESPACE` | 13.2 | 0.5 | The root project namespace (username or group name) of the job. For example, if `CI_PROJECT_NAMESPACE` is `root-group/child-group/grandchild-group`, `CI_PROJECT_ROOT_NAMESPACE` is `root-group`. |
| `CI_PROJECT_TITLE` | 12.4 | all | The human-readable project name as displayed in the GitLab web interface. |
| `CI_PROJECT_URL` | 8.10 | 0.5 | The HTTP(S) address of the project. |
| `CI_PROJECT_VISIBILITY` | 10.3 | all | The project visibility. Can be `internal`, `private`, or `public`. |
| `CI_REGISTRY_IMAGE` | 8.10 | 0.5 | The address of the project's Container Registry. Only available if the Container Registry is enabled for the project. |
| `CI_REGISTRY_PASSWORD` | 9.0 | all | The password to push containers to the project's GitLab Container Registry. Only available if the Container Registry is enabled for the project. |
| `CI_REGISTRY_USER` | 9.0 | all | The username to push containers to the project's GitLab Container Registry. Only available if the Container Registry is enabled for the project. |
| `CI_REGISTRY` | 8.10 | 0.5 | The address of the GitLab Container Registry. Only available if the Container Registry is enabled for the project. This variable includes a `:port` value if one is specified in the registry configuration. |
| `CI_REPOSITORY_URL` | 9.0 | all | The URL to clone the Git repository. |
| `CI_RUNNER_DESCRIPTION` | 8.10 | 0.5 | The description of the runner. |
| `CI_RUNNER_EXECUTABLE_ARCH` | all | 10.6 | The OS/architecture of the GitLab Runner executable. Might not be the same as the environment of the executor. |
| `CI_RUNNER_ID` | 8.10 | 0.5 | The unique ID of the runner being used. |
| `CI_RUNNER_REVISION` | all | 10.6 | The revision of the runner running the job. |
| `CI_RUNNER_SHORT_TOKEN` | all | 12.3 | First eight characters of the runner's token used to authenticate new job requests. Used as the runner's unique ID. |
| `CI_RUNNER_TAGS` | 8.10 | 0.5 | A comma-separated list of the runner tags. |
| `CI_RUNNER_VERSION` | all | 10.6 | The version of the GitLab Runner running the job. |
| `CI_SERVER_HOST` | 12.1 | all | The host of the GitLab instance URL, without protocol or port. For example `gitlab.example.com`. |
| `CI_SERVER_NAME` | all | all | The name of CI/CD server that coordinates jobs. |
| `CI_SERVER_PORT` | 12.8 | all | The port of the GitLab instance URL, without host or protocol. For example `8080`. |
| `CI_SERVER_PROTOCOL` | 12.8 | all | The protocol of the GitLab instance URL, without host or port. For example `https`. |
| `CI_SERVER_REVISION` | all | all | GitLab revision that schedules jobs. |
| `CI_SERVER_URL` | 12.7 | all | The base URL of the GitLab instance, including protocol and port. For example `https://gitlab.example.com:8080`. |
| `CI_SERVER_VERSION_MAJOR` | 11.4 | all | The major version of the GitLab instance. For example, if the GitLab version is `13.6.1`, the `CI_SERVER_VERSION_MAJOR` is `13`. |
| `CI_SERVER_VERSION_MINOR` | 11.4 | all | The minor version of the GitLab instance. For example, if the GitLab version is `13.6.1`, the `CI_SERVER_VERSION_MINOR` is `6`. |
| `CI_SERVER_VERSION_PATCH` | 11.4 | all | The patch version of the GitLab instance. For example, if the GitLab version is `13.6.1`, the `CI_SERVER_VERSION_PATCH` is `1`. |
| `CI_SERVER_VERSION` | all | all | The full version of the GitLab instance. |
| `CI_SERVER` | all | all | Available for all jobs executed in CI/CD. `yes` when available. |
| `CI_SHARED_ENVIRONMENT` | all | 10.1 | Only available if the job is executed in a shared environment (something that is persisted across CI/CD invocations, like the `shell` or `ssh` executor). `true` when available. |
| `GITLAB_CI` | all | all | Available for all jobs executed in CI/CD. `true` when available. |
| `GITLAB_FEATURES` | 10.6 | all | The comma-separated list of licensed features available for the GitLab instance and license. |
| `GITLAB_USER_EMAIL` | 8.12 | all | The email of the user who started the job. |
| `GITLAB_USER_ID` | 8.12 | all | The ID of the user who started the job. |
| `GITLAB_USER_LOGIN` | 10.0 | all | The username of the user who started the job. |
| `GITLAB_USER_NAME` | 10.0 | all | The name of the user who started the job. |
| `TRIGGER_PAYLOAD` | 13.9 | all | The webhook payload. Only available when a pipeline is [triggered with a webhook](../triggers/README.md#using-webhook-payload-in-the-triggered-pipeline). |
## Predefined variables for merge request pipelines
These variables are available when:
- The pipelines [are merge request pipelines](../merge_request_pipelines/index.md).
- The merge request is open.
| Variable | GitLab | Runner | Description |
|----------------------------------------|--------|--------|-------------|
| `CI_MERGE_REQUEST_ASSIGNEES` | 11.9 | all | Comma-separated list of usernames of assignees for the merge request. |
| `CI_MERGE_REQUEST_ID` | 11.6 | all | The instance-level ID of the merge request. This is a unique ID across all projects on GitLab. |
| `CI_MERGE_REQUEST_IID` | 11.6 | all | The project-level IID (internal ID) of the merge request. This ID is unique for the current project. |
| `CI_MERGE_REQUEST_LABELS` | 11.9 | all | Comma-separated label names of the merge request. |
| `CI_MERGE_REQUEST_MILESTONE` | 11.9 | all | The milestone title of the merge request. |
| `CI_MERGE_REQUEST_PROJECT_ID` | 11.6 | all | The ID of the project of the merge request. |
| `CI_MERGE_REQUEST_PROJECT_PATH` | 11.6 | all | The path of the project of the merge request. For example `namespace/awesome-project`. |
| `CI_MERGE_REQUEST_PROJECT_URL` | 11.6 | all | The URL of the project of the merge request. For example, `http://192.168.10.15:3000/namespace/awesome-project`. |
| `CI_MERGE_REQUEST_REF_PATH` | 11.6 | all | The ref path of the merge request. For example, `refs/merge-requests/1/head`. |
| `CI_MERGE_REQUEST_SOURCE_BRANCH_NAME` | 11.6 | all | The source branch name of the merge request. |
| `CI_MERGE_REQUEST_SOURCE_BRANCH_SHA` | 11.9 | all | The HEAD SHA of the source branch of the merge request. Only available in [merged results pipelines](../merge_request_pipelines/pipelines_for_merged_results/index.md). **(PREMIUM)** |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_ID` | 11.6 | all | The ID of the source project of the merge request. |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_PATH` | 11.6 | all | The path of the source project of the merge request. |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_URL` | 11.6 | all | The URL of the source project of the merge request. |
| `CI_MERGE_REQUEST_TARGET_BRANCH_NAME` | 11.6 | all | The target branch name of the merge request. |
| `CI_MERGE_REQUEST_TARGET_BRANCH_SHA` | 11.9 | all | The HEAD SHA of the target branch of the merge request. Only available in [merged results pipelines](../merge_request_pipelines/pipelines_for_merged_results/index.md). **(PREMIUM)** |
| `CI_MERGE_REQUEST_TITLE` | 11.9 | all | The title of the merge request. |
| `CI_MERGE_REQUEST_EVENT_TYPE` | 12.3 | all | The event type of the merge request. Can be `detached`, `merged_result` or `merge_train`. |
| `CI_MERGE_REQUEST_DIFF_ID` | 13.7 | all | The version of the merge request diff. |
| `CI_MERGE_REQUEST_DIFF_BASE_SHA` | 13.7 | all | The base SHA of the merge request diff. |
## Predefined variables for external pull request pipelines
These variables are only available when:
- The pipelines are [external pull requests pipelines](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests)
- The pull request is open.
| Variable | GitLab | Runner | Description |
|-----------------------------------------------|--------|--------|-------------|
| `CHAT_CHANNEL` | 10.6 | all | Source chat channel which triggered the [ChatOps](../chatops/index.md) command. |
| `CHAT_INPUT` | 10.6 | all | Additional arguments passed in the [ChatOps](../chatops/index.md) command. |
| `CI` | all | 0.4 | Mark that job is executed in CI environment. |
| `CI_API_V4_URL` | 11.7 | all | The GitLab API v4 root URL. |
| `CI_BUILDS_DIR` | all | 11.10 | Top-level directory where builds are executed. |
| `CI_COMMIT_BEFORE_SHA` | 11.2 | all | The previous latest commit present on a branch. Is always `0000000000000000000000000000000000000000` in pipelines for merge requests. |
| `CI_COMMIT_DESCRIPTION` | 10.8 | all | The description of the commit: the message without first line, if the title is shorter than 100 characters; full message in other case. |
| `CI_COMMIT_MESSAGE` | 10.8 | all | The full commit message. |
| `CI_COMMIT_REF_NAME` | 9.0 | all | The branch or tag name for which project is built. |
| `CI_COMMIT_REF_PROTECTED` | 11.11 | all | `true` if the job is running on a protected reference, `false` if not. |
| `CI_COMMIT_REF_SLUG` | 9.0 | all | `$CI_COMMIT_REF_NAME` in lowercase, shortened to 63 bytes, and with everything except `0-9` and `a-z` replaced with `-`. No leading / trailing `-`. Use in URLs, host names and domain names. |
| `CI_COMMIT_SHA` | 9.0 | all | The commit revision for which project is built. |
| `CI_COMMIT_SHORT_SHA` | 11.7 | all | The first eight characters of `CI_COMMIT_SHA`. |
| `CI_COMMIT_BRANCH` | 12.6 | 0.5 | The commit branch name. Present in branch pipelines, including pipelines for the default branch. Not present in merge request pipelines or tag pipelines. |
| `CI_COMMIT_TAG` | 9.0 | 0.5 | The commit tag name. Present only when building tags. |
| `CI_COMMIT_TITLE` | 10.8 | all | The title of the commit - the full first line of the message. |
| `CI_COMMIT_TIMESTAMP` | 13.4 | all | The timestamp of the commit in the ISO 8601 format. |
| `CI_CONCURRENT_ID` | all | 11.10 | Unique ID of build execution in a single executor. |
| `CI_CONCURRENT_PROJECT_ID` | all | 11.10 | Unique ID of build execution in a single executor and project. |
| `CI_CONFIG_PATH` | 9.4 | 0.5 | The path to CI configuration file. Defaults to `.gitlab-ci.yml`. |
| `CI_DEBUG_TRACE` | all | 1.7 | Whether [debug logging (tracing)](README.md#debug-logging) is enabled. |
| `CI_DEFAULT_BRANCH` | 12.4 | all | The name of the default branch for the project. |
| `CI_DEPENDENCY_PROXY_GROUP_IMAGE_PREFIX` | 13.7 | all | The image prefix for pulling images through the Dependency Proxy. |
| `CI_DEPENDENCY_PROXY_SERVER` | 13.7 | all | The server for logging in to the Dependency Proxy. This is equivalent to `$CI_SERVER_HOST:$CI_SERVER_PORT`. |
| `CI_DEPENDENCY_PROXY_PASSWORD` | 13.7 | all | The password to use to pull images through the Dependency Proxy. |
| `CI_DEPENDENCY_PROXY_USER` | 13.7 | all | The username to use to pull images through the Dependency Proxy. |
| `CI_DEPLOY_FREEZE` | 13.2 | all | Included with the value `true` if the pipeline runs during a [deploy freeze window](../../user/project/releases/index.md#prevent-unintentional-releases-by-setting-a-deploy-freeze). |
| `CI_DEPLOY_PASSWORD` | 10.8 | all | Authentication password of the [GitLab Deploy Token](../../user/project/deploy_tokens/index.md#gitlab-deploy-token), only present if the Project has one related. |
| `CI_DEPLOY_USER` | 10.8 | all | Authentication username of the [GitLab Deploy Token](../../user/project/deploy_tokens/index.md#gitlab-deploy-token), only present if the Project has one related. |
| `CI_DISPOSABLE_ENVIRONMENT` | all | 10.1 | Marks that the job is executed in a disposable environment (something that is created only for this job and disposed of/destroyed after the execution - all executors except `shell` and `ssh`). If the environment is disposable, it is set to true, otherwise it is not defined at all. |
| `CI_ENVIRONMENT_NAME` | 8.15 | all | The name of the environment for this job. Only present if [`environment:name`](../yaml/README.md#environmentname) is set. |
| `CI_ENVIRONMENT_SLUG` | 8.15 | all | A simplified version of the environment name, suitable for inclusion in DNS, URLs, Kubernetes labels, and so on. Only present if [`environment:name`](../yaml/README.md#environmentname) is set. |
| `CI_ENVIRONMENT_URL` | 9.3 | all | The URL of the environment for this job. Only present if [`environment:url`](../yaml/README.md#environmenturl) is set. |
| `CI_EXTERNAL_PULL_REQUEST_IID` | 12.3 | all | Pull Request ID from GitHub if the [pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_SOURCE_REPOSITORY` | 13.3 | all | The source repository name of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_TARGET_REPOSITORY` | 13.3 | all | The target repository name of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_SOURCE_BRANCH_NAME` | 12.3 | all | The source branch name of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_SOURCE_BRANCH_SHA` | 12.3 | all | The HEAD SHA of the source branch of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_TARGET_BRANCH_NAME` | 12.3 | all | The target branch name of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_EXTERNAL_PULL_REQUEST_TARGET_BRANCH_SHA` | 12.3 | all | The HEAD SHA of the target branch of the pull request if [the pipelines are for external pull requests](../ci_cd_for_external_repos/index.md#pipelines-for-external-pull-requests). Available only if `only: [external_pull_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the pull request is open. |
| `CI_HAS_OPEN_REQUIREMENTS` | 13.1 | all | Included with the value `true` only if the pipeline's project has any open [requirements](../../user/project/requirements/index.md). Not included if there are no open requirements for the pipeline's project. |
| `CI_OPEN_MERGE_REQUESTS` | 13.8 | all | Available in branch and merge request pipelines. Contains a comma-separated list of up to four merge requests that use the current branch and project as the merge request source. For example `gitlab-org/gitlab!333,gitlab-org/gitlab-foss!11`. |
| `CI_JOB_ID` | 9.0 | all | The unique ID of the current job that GitLab CI/CD uses internally. |
| `CI_JOB_IMAGE` | 12.9 | 12.9 | The name of the image running the CI job. |
| `CI_JOB_MANUAL` | 8.12 | all | The flag to indicate that job was manually started. |
| `CI_JOB_NAME` | 9.0 | 0.5 | The name of the job as defined in `.gitlab-ci.yml`. |
| `CI_JOB_STAGE` | 9.0 | 0.5 | The name of the stage as defined in `.gitlab-ci.yml`. |
| `CI_JOB_STATUS` | all | 13.5 | The state of the job as each runner stage is executed. Use with [`after_script`](../yaml/README.md#after_script) where `CI_JOB_STATUS` can be either: `success`, `failed` or `canceled`. |
| `CI_JOB_TOKEN` | 9.0 | 1.2 | Token used for authenticating with [a few API endpoints](../../api/README.md#gitlab-ci-job-token) and downloading [dependent repositories](../../user/project/new_ci_build_permissions_model.md#dependent-repositories). The token is valid as long as the job is running. |
| `CI_JOB_JWT` | 12.10 | all | RS256 JSON web token that can be used for authenticating with third party systems that support JWT authentication, for example [HashiCorp's Vault](../secrets/index.md). |
| `CI_JOB_URL` | 11.1 | 0.5 | Job details URL. |
| `CI_KUBERNETES_ACTIVE` | 13.0 | all | Included with the value `true` only if the pipeline has a Kubernetes cluster available for deployments. Not included if no cluster is available. Can be used as an alternative to [`only:kubernetes`/`except:kubernetes`](../yaml/README.md#onlykubernetesexceptkubernetes) with [`rules:if`](../yaml/README.md#rulesif). |
| `CI_MERGE_REQUEST_ASSIGNEES` | 11.9 | all | Comma-separated list of username(s) of assignee(s) for the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_ID` | 11.6 | all | The instance-level ID of the merge request. Only available if [the pipelines are for merge requests](../merge_request_pipelines/index.md) and the merge request is created. This is a unique ID across all projects on GitLab. |
| `CI_MERGE_REQUEST_IID` | 11.6 | all | The project-level IID (internal ID) of the merge request. Only available If [the pipelines are for merge requests](../merge_request_pipelines/index.md) and the merge request is created. This ID is unique for the current project. |
| `CI_MERGE_REQUEST_LABELS` | 11.9 | all | Comma-separated label names of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_MILESTONE` | 11.9 | all | The milestone title of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_PROJECT_ID` | 11.6 | all | The ID of the project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_PROJECT_PATH` | 11.6 | all | The path of the project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md) (for example `namespace/awesome-project`). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_PROJECT_URL` | 11.6 | all | The URL of the project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md) (for example `http://192.168.10.15:3000/namespace/awesome-project`). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_REF_PATH` | 11.6 | all | The ref path of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). (for example `refs/merge-requests/1/head`). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_BRANCH_NAME` | 11.6 | all | The source branch name of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_BRANCH_SHA` | 11.9 | all | The HEAD SHA of the source branch of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used, the merge request is created, and the pipeline is a [merged result pipeline](../merge_request_pipelines/pipelines_for_merged_results/index.md). **(PREMIUM)** |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_ID` | 11.6 | all | The ID of the source project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_PATH` | 11.6 | all | The path of the source project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_SOURCE_PROJECT_URL` | 11.6 | all | The URL of the source project of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_TARGET_BRANCH_NAME` | 11.6 | all | The target branch name of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_TARGET_BRANCH_SHA` | 11.9 | all | The HEAD SHA of the target branch of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used, the merge request is created, and the pipeline is a [merged result pipeline](../merge_request_pipelines/pipelines_for_merged_results/index.md). **(PREMIUM)** |
| `CI_MERGE_REQUEST_TITLE` | 11.9 | all | The title of the merge request if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Available only if `only: [merge_requests]` or [`rules`](../yaml/README.md#rules) syntax is used and the merge request is created. |
| `CI_MERGE_REQUEST_EVENT_TYPE` | 12.3 | all | The event type of the merge request, if [the pipelines are for merge requests](../merge_request_pipelines/index.md). Can be `detached`, `merged_result` or `merge_train`. |
| `CI_MERGE_REQUEST_DIFF_ID` | 13.7 | all | The version of the merge request diff, if [the pipelines are for merge requests](../merge_request_pipelines/index.md). |
| `CI_MERGE_REQUEST_DIFF_BASE_SHA` | 13.7 | all | The base SHA of the merge request diff, if [the pipelines are for merge requests](../merge_request_pipelines/index.md). |
| `CI_NODE_INDEX` | 11.5 | all | Index of the job in the job set. If the job is not parallelized, this variable is not set. |
| `CI_NODE_TOTAL` | 11.5 | all | Total number of instances of this job running in parallel. If the job is not parallelized, this variable is set to `1`. |
| `CI_PAGES_DOMAIN` | 11.8 | all | The configured domain that hosts GitLab Pages. |
| `CI_PAGES_URL` | 11.8 | all | URL to GitLab Pages-built pages. Always belongs to a subdomain of `CI_PAGES_DOMAIN`. |
| `CI_PIPELINE_ID` | 8.10 | all | The instance-level ID of the current pipeline. This is a unique ID across all projects on GitLab. |
| `CI_PIPELINE_IID` | 11.0 | all | The project-level IID (internal ID) of the current pipeline. This ID is unique for the current project. |
| `CI_PIPELINE_SOURCE` | 10.0 | all | Indicates how the pipeline was triggered. Possible options are: `push`, `web`, `schedule`, `api`, `external`, `chat`, `webide`, `merge_request_event`, `external_pull_request_event`, `parent_pipeline`, [`trigger`, or `pipeline`](../triggers/README.md#authentication-tokens). For pipelines created before GitLab 9.5, this is displayed as `unknown`. |
| `CI_PIPELINE_TRIGGERED` | all | all | The flag to indicate that job was [triggered](../triggers/README.md). |
| `CI_PIPELINE_URL` | 11.1 | 0.5 | Pipeline details URL. |
| `CI_PROJECT_CONFIG_PATH` | 13.8 | all | The CI configuration path for the project. |
| `CI_PROJECT_DIR` | all | all | The full path where the repository is cloned and where the job is run. If the GitLab Runner `builds_dir` parameter is set, this variable is set relative to the value of `builds_dir`. For more information, see [Advanced configuration](https://docs.gitlab.com/runner/configuration/advanced-configuration.html#the-runners-section) for GitLab Runner. |
| `CI_PROJECT_ID` | all | all | The unique ID of the current project that GitLab CI/CD uses internally. |
| `CI_PROJECT_NAME` | 8.10 | 0.5 | The name of the directory for the project that is being built. For example, if the project URL is `gitlab.example.com/group-name/project-1`, the `CI_PROJECT_NAME` would be `project-1`. |
| `CI_PROJECT_NAMESPACE` | 8.10 | 0.5 | The project namespace (username or group name) that is being built. |
| `CI_PROJECT_ROOT_NAMESPACE` | 13.2 | 0.5 | The **root** project namespace (username or group name) that is being built. For example, if `CI_PROJECT_NAMESPACE` is `root-group/child-group/grandchild-group`, `CI_PROJECT_ROOT_NAMESPACE` would be `root-group`. |
| `CI_PROJECT_PATH` | 8.10 | 0.5 | The namespace with project name. |
| `CI_PROJECT_PATH_SLUG` | 9.3 | all | `$CI_PROJECT_PATH` in lowercase and with everything except `0-9` and `a-z` replaced with `-`. Use in URLs and domain names. |
| `CI_PROJECT_REPOSITORY_LANGUAGES` | 12.3 | all | Comma-separated, lowercase list of the languages used in the repository (for example `ruby,javascript,html,css`). |
| `CI_PROJECT_TITLE` | 12.4 | all | The human-readable project name as displayed in the GitLab web interface. |
| `CI_PROJECT_URL` | 8.10 | 0.5 | The HTTP(S) address to access project. |
| `CI_PROJECT_VISIBILITY` | 10.3 | all | The project visibility (internal, private, public). |
| `CI_REGISTRY` | 8.10 | 0.5 | If the Container Registry is enabled it returns the address of the GitLab Container Registry. This variable includes a `:port` value if one has been specified in the registry configuration. |
| `CI_REGISTRY_IMAGE` | 8.10 | 0.5 | If the Container Registry is enabled for the project it returns the address of the registry tied to the specific project. |
| `CI_REGISTRY_PASSWORD` | 9.0 | all | The password to use to push containers to the GitLab Container Registry, for the current project. |
| `CI_REGISTRY_USER` | 9.0 | all | The username to use to push containers to the GitLab Container Registry, for the current project. |
| `CI_REPOSITORY_URL` | 9.0 | all | The URL to clone the Git repository. |
| `CI_RUNNER_DESCRIPTION` | 8.10 | 0.5 | The description of the runner as saved in GitLab. |
| `CI_RUNNER_EXECUTABLE_ARCH` | all | 10.6 | The OS/architecture of the GitLab Runner executable (note that this is not necessarily the same as the environment of the executor). |
| `CI_RUNNER_ID` | 8.10 | 0.5 | The unique ID of runner being used. |
| `CI_RUNNER_REVISION` | all | 10.6 | GitLab Runner revision that is executing the current job. |
| `CI_RUNNER_SHORT_TOKEN` | all | 12.3 | First eight characters of the runner's token used to authenticate new job requests. Used as the runner's unique ID. |
| `CI_RUNNER_TAGS` | 8.10 | 0.5 | The defined runner tags. |
| `CI_RUNNER_VERSION` | all | 10.6 | GitLab Runner version that is executing the current job. |
| `CI_SERVER` | all | all | Mark that job is executed in CI environment. |
| `CI_SERVER_URL` | 12.7 | all | The base URL of the GitLab instance, including protocol and port (like `https://gitlab.example.com:8080`). |
| `CI_SERVER_HOST` | 12.1 | all | Host component of the GitLab instance URL, without protocol and port (like `gitlab.example.com`). |
| `CI_SERVER_PORT` | 12.8 | all | Port component of the GitLab instance URL, without host and protocol (like `3000`). |
| `CI_SERVER_PROTOCOL` | 12.8 | all | Protocol component of the GitLab instance URL, without host and port (like `https`). |
| `CI_SERVER_NAME` | all | all | The name of CI server that is used to coordinate jobs. |
| `CI_SERVER_REVISION` | all | all | GitLab revision that is used to schedule jobs. |
| `CI_SERVER_VERSION` | all | all | GitLab version that is used to schedule jobs. |
| `CI_SERVER_VERSION_MAJOR` | 11.4 | all | GitLab version major component. |
| `CI_SERVER_VERSION_MINOR` | 11.4 | all | GitLab version minor component. |
| `CI_SERVER_VERSION_PATCH` | 11.4 | all | GitLab version patch component. |
| `CI_SHARED_ENVIRONMENT` | all | 10.1 | Marks that the job is executed in a shared environment (something that is persisted across CI invocations like `shell` or `ssh` executor). If the environment is shared, it is set to true, otherwise it is not defined at all. |
| `GITLAB_CI` | all | all | Mark that job is executed in GitLab CI/CD environment. |
| `GITLAB_FEATURES` | 10.6 | all | The comma separated list of licensed features available for your instance and plan. |
| `GITLAB_USER_EMAIL` | 8.12 | all | The email of the user who started the job. |
| `GITLAB_USER_ID` | 8.12 | all | The ID of the user who started the job. |
| `GITLAB_USER_LOGIN` | 10.0 | all | The login username of the user who started the job. |
| `GITLAB_USER_NAME` | 10.0 | all | The real name of the user who started the job. |
| `TRIGGER_PAYLOAD` | 13.9 | all | This variable is available when a pipeline is [triggered with a webhook](../triggers/README.md#using-webhook-payload-in-the-triggered-pipeline) |
| `CI_EXTERNAL_PULL_REQUEST_IID` | 12.3 | all | Pull request ID from GitHub. |
| `CI_EXTERNAL_PULL_REQUEST_SOURCE_REPOSITORY` | 13.3 | all | The source repository name of the pull request. |
| `CI_EXTERNAL_PULL_REQUEST_TARGET_REPOSITORY` | 13.3 | all | The target repository name of the pull request. |
| `CI_EXTERNAL_PULL_REQUEST_SOURCE_BRANCH_NAME` | 12.3 | all | The source branch name of the pull request. |
| `CI_EXTERNAL_PULL_REQUEST_SOURCE_BRANCH_SHA` | 12.3 | all | The HEAD SHA of the source branch of the pull request. |
| `CI_EXTERNAL_PULL_REQUEST_TARGET_BRANCH_NAME` | 12.3 | all | The target branch name of the pull request. |
| `CI_EXTERNAL_PULL_REQUEST_TARGET_BRANCH_SHA` | 12.3 | all | The HEAD SHA of the target branch of the pull request. |
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