I try to break RoleInheritance and apply individual Permissions on a List in a different Site-Collection with a REST-API Call.
1. Wokflow on Permission-List on SiteCollection https://xy.sharepoint.com/sites/permission
2. Workflow call "Call HTTP Web Service" (in a Container with "run contained actions at elevated app permission")
==>Results in a Forbidden, System.UnauthorizedAccessException Error
I also registered the "workflow app" in appinv.aspx on both Site-Collections (with different workflow-guids)
If I try to break the permission on a list on the same SiteCollection (sites/permission) it works...
Whats wrong, anyone an Idea?
Thanks for your support!