Clarify special behavior of Epic-originated Events

doc/api/events.md

@@ -8,55 +8,9 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 
 ## Filter parameters
 
-### Action Types
-
-Available types for the `action` parameter, and the resources that might be affected:
-
-- `approved`
-  - Merge request
-- `closed`
-  - Epic **(PREMIUM)**
-  - Issue
-  - Merge request
-  - Milestone
-- `commented` on any `Noteable` record.
-  - Alert
-  - Commit
-  - Design
-  - Issue
-  - Merge request
-  - Snippet
-- `created`
-  - Design
-  - Epic **(PREMIUM)**
-  - Issue
-  - Merge request
-  - Milestone
-  - Project
-  - Wiki page
-- `destroyed`
-  - Design
-  - Milestone
-  - Wiki page
-- `expired`
-  - Project membership
-- `joined`
-  - Project membership
-- `left`
-  - Project membership
-- `merged`
-  - Merge request
-- `pushed` commits to (or deleted commits from) a repository, individually or in bulk.
-  - Project
-- `reopened`
-  - Epic **(PREMIUM)**
-  - Issue
-  - Merge request
-  - Milestone
-- `updated`
-  - Design
-  - Wiki page
+### Actions
 
+See [User contribution events](../user/index.md#user-contribution-events) for available types for the `action` parameter.
 These options are in lowercase.
 
 ### Target Types
@@ -72,6 +26,7 @@ Available target types for the `target_type` parameter are:
 - `user`
 
 These options are in lowercase.
+Events associated with epics are not available using the API.
 
 ### Date formatting
 
@@ -88,6 +43,7 @@ GitLab removes events older than 3 years from the events table for performance r
 ## List currently authenticated user's events
 
 Get a list of events for the authenticated user. Scope `read_user` or `api` is required.
+Events associated with epics are not available using the API.
 
 ```plaintext
 GET /events
@@ -97,7 +53,7 @@ Parameters:
 
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
-| `action` | string | no | Include only events of a particular [action type](#action-types) |
+| `action` | string | no | Include only events of a particular [action type](#actions) |
 | `target_type` | string | no | Include only events of a particular [target type](#target-types) |
 | `before` | date | no |  Include only events created before a particular date. [View how to format dates](#date-formatting). |
 | `after` | date | no |  Include only events created after a particular date. [View how to format dates](#date-formatting).  |
@@ -160,6 +116,7 @@ Example response:
 ### Get user contribution events
 
 Get the contribution events for the specified user, sorted from newest to oldest. Scope `read_user` or `api` is required.
+Events associated with epics are not available using API.
 
 ```plaintext
 GET /users/:id/events
@@ -170,7 +127,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
 | `id` | integer | yes | The ID or Username of the user |
-| `action` | string | no | Include only events of a particular [action type](#action-types) |
+| `action` | string | no | Include only events of a particular [action type](#actions) |
 | `target_type` | string | no | Include only events of a particular [target type](#target-types) |
 | `before` | date | no |  Include only events created before a particular date. [View how to format dates](#date-formatting). |
 | `after` | date | no |  Include only events created after a particular date. [View how to format dates](#date-formatting). |
@@ -308,7 +265,7 @@ Parameters:
 | Attribute | Type | Required | Description |
 | --------- | ---- | -------- | ----------- |
 | `project_id` | integer/string | yes | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding) |
-| `action` | string | no | Include only events of a particular [action type](#action-types) |
+| `action` | string | no | Include only events of a particular [action type](#actions) |
 | `target_type` | string | no | Include only events of a particular [target type](#target-types) |
 | `before` | date | no |  Include only events created before a particular date. [View how to format dates](#date-formatting). |
 | `after` | date | no |  Include only events created after a particular date. [View how to format dates](#date-formatting).  |

doc/user/group/contribution_analytics/index.md

@@ -8,7 +8,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/3090) in GitLab 12.2 for subgroups.
 
-With Contribution Analytics you can get an overview of the [contribution actions](../../../api/events.md#action-types) in your
+With Contribution Analytics, you can get an overview of the [contribution events](../../index.md#user-contribution-events) in your
 group.
 
 - Analyze your team's contributions over a period of time, and offer a bonus for the top

doc/user/index.md

@@ -85,6 +85,7 @@ There are several types of users in GitLab:
 
 ## User activity
 
+GitLab tracks user contribution activity.
 You can follow or unfollow other users from their [user profiles](profile/index.md#access-your-user-profile).
 To view a user's activity in a top-level Activity view:
 
@@ -92,6 +93,55 @@ To view a user's activity in a top-level Activity view:
 1. In the GitLab menu, select **Activity**.
 1. Select the **Followed users** tab.
 
+### User contribution events
+
+Each of these contribution events is tracked:
+
+- `approved`
+  - Merge request
+- `closed`
+  - [Epic](group/epics/index.md)
+  - Issue
+  - Merge request
+  - Milestone
+- `commented` on any `Noteable` record.
+  - Alert
+  - Commit
+  - Design
+  - Issue
+  - Merge request
+  - Snippet
+- `created`
+  - Design
+  - [Epic](group/epics/index.md)
+  - Issue
+  - Merge request
+  - Milestone
+  - Project
+  - Wiki page
+- `destroyed`
+  - Design
+  - Milestone
+  - Wiki page
+- `expired`
+  - Project membership
+- `joined`
+  - Project membership
+- `left`
+  - Project membership
+- `merged`
+  - Merge request
+- `pushed` commits to (or deleted commits from) a repository, individually or in bulk.
+  - Project
+- `reopened`
+  - [Epic](group/epics/index.md)
+  - Issue
+  - Merge request
+  - Milestone
+- `updated`
+  - Design
+  - Wiki page
+
 ## Projects
 
 In GitLab, you can create [projects](project/index.md) to host

doc/user/profile/index.md

@@ -129,7 +129,7 @@ To add links to other accounts:
 
 ## Show private contributions on your user profile page
 
-In the user contribution calendar graph and recent activity list, you can see your [contribution actions](../../api/events.md#action-types) to private projects.
+In the user contribution calendar graph and recent activity list, you can see your [contribution actions](../index.md#user-contribution-events) to private projects.
 
 To show private contributions: