You can update a WCM asset.
POST /alfresco/service/api/wcm/webprojects/{webprojectref}/sandboxes/{sandboxref}/assets/properties/{path}
The web script description document specifies the following
options:
| Value | Description |
|---|---|
| json | The default response format |
| user | The authentication access |
| required | The transaction level |
| argument | The format style |