App Principles Define the app permissions in SharePoint 2013 app model.

Scope permission Tenancy : Read,write,manage,fullControl Site collection: Read,write,manage,fullControl Hlet web : Read,write,manage,fullControl Lists : Read,write,manage,fullControl Search : QueryAsUserlgnoreAppPrincipal BCS : Read Managed metadata: Read,Write Social core : Read,write,manage,fullControl Social tenancy : Read,write,manage,fullControl Microsofeed : Read,write,manage,fullControl