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---
stage: Plan
group: Project Management
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments
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---
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# Resource milestone events API **(FREE)**
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> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/31720) in GitLab 13.1.
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Resource [milestone ](../user/project/milestones/index.md ) events keep track of what happens to
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GitLab [issues ](../user/project/issues/index.md ) and [merge requests ](../user/project/merge_requests/index.md ).
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Use them to track which milestone was added or removed, who did it, and when it happened.
## Issues
### List project issue milestone events
Gets a list of all milestone events for a single issue.
```plaintext
GET /projects/:id/issues/:issue_iid/resource_milestone_events
```
| Attribute | Type | Required | Description |
| ----------- | -------------- | -------- | ------------------------------------------------------------------------------- |
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| `id` | integer/string | yes | The ID or [URL-encoded path of the project ](index.md#namespaced-path-encoding ) |
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| `issue_iid` | integer | yes | The IID of an issue |
Example request:
```shell
curl --header "PRIVATE-TOKEN: < your_access_token > " "https://gitlab.example.com/api/v4/projects/5/issues/11/resource_milestone_events"
```
Example response:
```json
[
{
"id": 142,
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"state": "active",
"avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80& d=identicon",
"web_url": "http://gitlab.example.com/root"
},
"created_at": "2018-08-20T13:38:20.077Z",
"resource_type": "Issue",
"resource_id": 253,
"milestone": {
"id": 61,
"iid": 9,
"project_id": 7,
"title": "v1.2",
"description": "Ipsum Lorem",
"state": "active",
"created_at": "2020-01-27T05:07:12.573Z",
"updated_at": "2020-01-27T05:07:12.573Z",
"due_date": null,
"start_date": null,
"web_url": "http://gitlab.example.com:3000/group/project/-/milestones/9"
},
"action": "add"
},
{
"id": 143,
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"state": "active",
"avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80& d=identicon",
"web_url": "http://gitlab.example.com/root"
},
"created_at": "2018-08-21T14:38:20.077Z",
"resource_type": "Issue",
"resource_id": 253,
"milestone": {
"id": 61,
"iid": 9,
"project_id": 7,
"title": "v1.2",
"description": "Ipsum Lorem",
"state": "active",
"created_at": "2020-01-27T05:07:12.573Z",
"updated_at": "2020-01-27T05:07:12.573Z",
"due_date": null,
"start_date": null,
"web_url": "http://gitlab.example.com:3000/group/project/-/milestones/9"
},
"action": "remove"
}
]
```
### Get single issue milestone event
Returns a single milestone event for a specific project issue
```plaintext
GET /projects/:id/issues/:issue_iid/resource_milestone_events/:resource_milestone_event_id
```
Parameters:
| Attribute | Type | Required | Description |
| ----------------------------- | -------------- | -------- | ------------------------------------------------------------------------------- |
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| `id` | integer/string | yes | The ID or [URL-encoded path ](index.md#namespaced-path-encoding ) of the project |
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| `issue_iid` | integer | yes | The IID of an issue |
| `resource_milestone_event_id` | integer | yes | The ID of a milestone event |
Example request:
```shell
curl --header "PRIVATE-TOKEN: < your_access_token > " "https://gitlab.example.com/api/v4/projects/5/issues/11/resource_milestone_events/1"
```
## Merge requests
### List project merge request milestone events
Gets a list of all milestone events for a single merge request.
```plaintext
GET /projects/:id/merge_requests/:merge_request_iid/resource_milestone_events
```
| Attribute | Type | Required | Description |
| ------------------- | -------------- | -------- | ------------------------------------------------------------------------------- |
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| `id` | integer/string | yes | The ID or [URL-encoded path ](index.md#namespaced-path-encoding ) of the project |
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| `merge_request_iid` | integer | yes | The IID of a merge request |
Example request:
```shell
curl --header "PRIVATE-TOKEN: < your_access_token > " "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/resource_milestone_events"
```
Example response:
```json
[
{
"id": 142,
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"state": "active",
"avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80& d=identicon",
"web_url": "http://gitlab.example.com/root"
},
"created_at": "2018-08-20T13:38:20.077Z",
"resource_type": "MergeRequest",
"resource_id": 142,
"milestone": {
"id": 61,
"iid": 9,
"project_id": 7,
"title": "v1.2",
"description": "Ipsum Lorem",
"state": "active",
"created_at": "2020-01-27T05:07:12.573Z",
"updated_at": "2020-01-27T05:07:12.573Z",
"due_date": null,
"start_date": null,
"web_url": "http://gitlab.example.com:3000/group/project/-/milestones/9"
},
"action": "add"
},
{
"id": 143,
"user": {
"id": 1,
"name": "Administrator",
"username": "root",
"state": "active",
"avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80& d=identicon",
"web_url": "http://gitlab.example.com/root"
},
"created_at": "2018-08-21T14:38:20.077Z",
"resource_type": "MergeRequest",
"resource_id": 142,
"milestone": {
"id": 61,
"iid": 9,
"project_id": 7,
"title": "v1.2",
"description": "Ipsum Lorem",
"state": "active",
"created_at": "2020-01-27T05:07:12.573Z",
"updated_at": "2020-01-27T05:07:12.573Z",
"due_date": null,
"start_date": null,
"web_url": "http://gitlab.example.com:3000/group/project/-/milestones/9"
},
"action": "remove"
}
]
```
### Get single merge request milestone event
Returns a single milestone event for a specific project merge request
```plaintext
GET /projects/:id/merge_requests/:merge_request_iid/resource_milestone_events/:resource_milestone_event_id
```
Parameters:
| Attribute | Type | Required | Description |
| ----------------------------- | -------------- | -------- | ------------------------------------------------------------------------------- |
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| `id` | integer/string | yes | The ID or [URL-encoded path of the project ](index.md#namespaced-path-encoding ) |
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| `merge_request_iid` | integer | yes | The IID of a merge request |
| `resource_milestone_event_id` | integer | yes | The ID of a milestone event |
Example request:
```shell
curl --request GET --header "PRIVATE-TOKEN: < your_access_token > " "https://gitlab.example.com/api/v4/projects/5/merge_requests/11/resource_milestone_events/120"
```
