Merge branch 'jh-add-issue-list-iteration-filters' into 'master'

Add iteration filters to issue lists API docs

See merge request gitlab-org/gitlab!60028

doc/api/issues.md

@@ -242,6 +242,8 @@ GET /groups/:id/issues?state=opened
 | `due_date`          | string           | no         | Return issues that have no due date, are overdue, or whose due date is this week, this month, or between two weeks ago and next month. Accepts: `0` (no due date), `overdue`, `week`, `month`, `next_month_and_previous_two_weeks`. _(Introduced in [GitLab 13.3](https://gitlab.com/gitlab-org/gitlab/-/issues/233420))_ |
 | `id`                | integer/string   | yes        | The ID or [URL-encoded path of the group](README.md#namespaced-path-encoding) owned by the authenticated user                 |
 | `iids[]`            | integer array    | no         | Return only the issues having the given `iid`                                                                                 |
+| `iteration_id` **(PREMIUM)** | integer | no         | Return issues assigned to the given iteration ID. `None` returns issues that do not belong to an iteration. `Any` returns issues that belong to an iteration. Mutually exclusive with `iteration_title`. _([Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/118742) in GitLab 13.6)_ |
+| `iteration_title` **(PREMIUM)** | string | no       | Return issues assigned to the iteration with the given title. Similar to `iteration_id` and mutually exclusive with `iteration_id`. _([Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/118742) in GitLab 13.6)_ |
 | `labels`            | string           | no         | Comma-separated list of label names, issues must have all labels to be returned. `None` lists all issues with no labels. `Any` lists all issues with at least one label. `No+Label` (Deprecated) lists all issues with no labels. Predefined names are case-insensitive. |
 | `milestone`         | string           | no         | The milestone title. `None` lists all issues with no milestone. `Any` lists all issues that have an assigned milestone.       |
 | `my_reaction_emoji` | string           | no         | Return issues reacted by the authenticated user by the given `emoji`. `None` returns issues not given a reaction. `Any` returns issues given at least one reaction. _([Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/14016) in GitLab 10.0)_ |
@@ -419,6 +421,8 @@ GET /projects/:id/issues?state=opened
 | `due_date`          | string           | no         | Return issues that have no due date, are overdue, or whose due date is this week, this month, or between two weeks ago and next month. Accepts: `0` (no due date), `overdue`, `week`, `month`, `next_month_and_previous_two_weeks`. _(Introduced in [GitLab 13.3](https://gitlab.com/gitlab-org/gitlab/-/issues/233420))_ |
 | `id`                | integer/string   | yes        | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user               |
 | `iids[]`            | integer array    | no         | Return only the issues having the given `iid`                                                                              |
+| `iteration_id` **(PREMIUM)** | integer | no         | Return issues assigned to the given iteration ID. `None` returns issues that do not belong to an iteration. `Any` returns issues that belong to an iteration. Mutually exclusive with `iteration_title`. _([Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/118742) in GitLab 13.6)_ |
+| `iteration_title` **(PREMIUM)** | string | no       | Return issues assigned to the iteration with the given title. Similar to `iteration_id` and mutually exclusive with `iteration_id`. _([Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/118742) in GitLab 13.6)_ |
 | `labels`            | string           | no         | Comma-separated list of label names, issues must have all labels to be returned. `None` lists all issues with no labels. `Any` lists all issues with at least one label. `No+Label` (Deprecated) lists all issues with no labels. Predefined names are case-insensitive. |
 | `milestone`         | string           | no         | The milestone title. `None` lists all issues with no milestone. `Any` lists all issues that have an assigned milestone.       |
 | `my_reaction_emoji` | string           | no         | Return issues reacted by the authenticated user by the given `emoji`. `None` returns issues not given a reaction. `Any` returns issues given at least one reaction. _([Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/14016) in GitLab 10.0)_ |