Create emails helper for actions links.

app/helpers/emails_helper.rb

+module EmailsHelper
+
+  # Google Actions
+  # https://developers.google.com/gmail/markup/reference/go-to-action
+  def email_action(options)
+    data = {
+      "@context" => "http://schema.org",
+      "@type" => "EmailMessage",
+      "action" => {
+        "@type" => "ViewAction",
+        "name" => options[:name],
+        "url" => options[:url],
+        }
+      }
+
+    content_tag :script, type: 'application/ld+json' do
+      data.to_json.html_safe
+    end
+  end
+end