| `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. |
| `milestone` | string | no | The milestone title. `None` lists all issues with no milestone. `Any` lists all issues that have an assigned milestone. |
| `scope` | string | no | Return issues for the given scope: `created_by_me`, `assigned_to_me` or `all`. Defaults to `created_by_me` |
| `author_id` | integer | no | Return issues created by the given user `id`. Mutually exclusive with `author_username`. Combine with `scope=all` or `scope=assigned_to_me`. |
| `author_username` | string | no | Return issues created by the given `username`. Similar to `author_id` and mutually exclusive with `author_id`. |
| `assignee_id` | integer | no | Return issues assigned to the given user `id`. Mutually exclusive with `assignee_username`. `None` returns unassigned issues. `Any` returns issues with an assignee. |
| `assignee_username` | string array | no | Return issues assigned to the given `username`. Similar to `assignee_id` and mutually exclusive with `assignee_id`. In GitLab CE `assignee_username` array should only contain a single value or an invalid parameter error will be returned otherwise. |
| `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. |
| `search` | string | no | Search issues against their `title` and `description` |
| `in` | string | no | Modify the scope of the `search` attribute. `title`, `description`, or a string joining them with comma. Default is `title,description` |
| `created_after` | datetime | no | Return issues created on or after the given time |
| `created_before` | datetime | no | Return issues created on or before the given time |
| `updated_after` | datetime | no | Return issues updated on or after the given time |
| `updated_before` | datetime | no | Return issues updated on or before the given time |
| `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. |
| `milestone` | string | no | The milestone title. `None` lists all issues with no milestone. `Any` lists all issues that have an assigned milestone. |
| `scope` | string | no | Return issues for the given scope: `created_by_me`, `assigned_to_me` or `all`. |
| `author_id` | integer | no | Return issues created by the given user `id`. Mutually exclusive with `author_username`. Combine with `scope=all` or `scope=assigned_to_me`. |
| `author_username` | string | no | Return issues created by the given `username`. Similar to `author_id` and mutually exclusive with `author_id`. |
| `assignee_id` | integer | no | Return issues assigned to the given user `id`. Mutually exclusive with `assignee_username`. `None` returns unassigned issues. `Any` returns issues with an assignee. |
| `assignee_username` | string array | no | Return issues assigned to the given `username`. Similar to `assignee_id` and mutually exclusive with `assignee_id`. In GitLab CE `assignee_username` array should only contain a single value or an invalid parameter error will be returned otherwise. |
| `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. |
| `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. |
| `milestone` | string | no | The milestone title. `None` lists all issues with no milestone. `Any` lists all issues that have an assigned milestone. |
| `scope` | string | no | Return issues for the given scope: `created_by_me`, `assigned_to_me` or `all`. |
| `author_id` | integer | no | Return issues created by the given user `id`. Mutually exclusive with `author_username`. Combine with `scope=all` or `scope=assigned_to_me`. |
| `author_username` | string | no | Return issues created by the given `username`. Similar to `author_id` and mutually exclusive with `author_id`. |
| `assignee_id` | integer | no | Return issues assigned to the given user `id`. Mutually exclusive with `assignee_username`. `None` returns unassigned issues. `Any` returns issues with an assignee. |
| `assignee_username` | string array | no | Return issues assigned to the given `username`. Similar to `assignee_id` and mutually exclusive with `assignee_id`. In GitLab CE `assignee_username` array should only contain a single value or an invalid parameter error will be returned otherwise. |
| `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. |