Add System User to WABA

POST https://graph.facebook.com/{{Version}}/{{Assigned-WABA-ID}}/assigned_users?user={{User-ID}}&tasks=['<PERMISSIONS>']

For full descriptions on each permission option, see Manage System Users, Permissions.

Request Params

Key	Datatype	Required	Description
`user`	string		System user ID
`tasks`	string		MANAGE or DEVELOP