**Note**: The `closed_by` attribute was [introduced in GitLab 10.6](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/17042). This value will only be present for issues which were closed after GitLab 10.6 and when the user account that closed the issue still exists.
**Note**: The `epic_iid` attribute is deprecated and [will be removed in 13.0](https://gitlab.com/gitlab-org/gitlab/issues/35157).
**Note**: The `epic_iid` attribute is deprecated and [will be removed in version 5](https://gitlab.com/gitlab-org/gitlab/issues/35157).
Please use `iid` of the `epic` attribute instead.
## New issue
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...
@@ -657,7 +657,7 @@ POST /projects/:id/issues
| `discussion_to_resolve` | string | no | The ID of a discussion to resolve. This will fill in the issue with a default description and mark the discussion as resolved. Use in combination with `merge_request_to_resolve_discussions_of`. |
| `weight`**(STARTER)** | integer | no | The weight of the issue. Valid values are greater than or equal to 0. |
| `epic_id`**(ULTIMATE)** | integer | no | ID of the epic to add the issue to. Valid values are greater than or equal to 0. |
| `epic_iid`**(ULTIMATE)** | integer | no | IID of the epic to add the issue to. Valid values are greater than or equal to 0. (deprecated, [will be removed in 13.0](https://gitlab.com/gitlab-org/gitlab/issues/35157)) |
| `epic_iid`**(ULTIMATE)** | integer | no | IID of the epic to add the issue to. Valid values are greater than or equal to 0. (deprecated, [will be removed in version 5](https://gitlab.com/gitlab-org/gitlab/issues/35157)) |
```shell
curl --request POST --header"PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/projects/4/issues?title=Issues%20with%20auth&labels=bug
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@@ -773,7 +773,7 @@ PUT /projects/:id/issues/:issue_iid
| `weight`**(STARTER)** | integer | no | The weight of the issue. Valid values are greater than or equal to 0. 0 |
| `discussion_locked` | boolean | no | Flag indicating if the issue's discussion is locked. If the discussion is locked only project members can add or edit comments. |
| `epic_id`**(ULTIMATE)** | integer | no | ID of the epic to add the issue to. Valid values are greater than or equal to 0. |
| `epic_iid`**(ULTIMATE)** | integer | no | IID of the epic to add the issue to. Valid values are greater than or equal to 0. (deprecated, [will be removed in 13.0](https://gitlab.com/gitlab-org/gitlab/issues/35157)) |
| `epic_iid`**(ULTIMATE)** | integer | no | IID of the epic to add the issue to. Valid values are greater than or equal to 0. (deprecated, [will be removed in version 5](https://gitlab.com/gitlab-org/gitlab/issues/35157)) |
```shell
curl --request PUT --header"PRIVATE-TOKEN: <your_access_token>" https://gitlab.example.com/api/v4/projects/4/issues/85?state_event=close
