| `content` | string | yes if `title` is not provided | The content of the wiki page |
| `title` | string | yes if `content` is not provided | The title of the wiki page |
| `format` | string | no | The format of the wiki page. Available formats are: `markdown` (default), `rdoc`, `asciidoc` and `org` |
| `slug` | string | yes | The slug (a unique string) of the wiki page |
| `slug` | string | yes | URL-encoded slug (a unique string) of the wiki page, such as `dir%2Fpage_name` |
```shell
curl --request PUT --data"format=rdoc&content=documentation&title=Docs"--header"PRIVATE-TOKEN: <your_access_token>""https://gitlab.example.com/api/v4/projects/1/wikis/foo"