Set permision to an app in SharePoint 2013

Question

I try to add the workflow identifier at site app permissions when I set app id then click lookup button , but the title and app domain not retrieved !?

What's the reason for this ?

Thanks

Answer 1

The general reasons for this issue are

• You may don’t select the client section of App Identifier correctly.
• you don't configure App Managment Service.
• “Workflows can use app permissions” feature was not activated.
• “Workflows can use app permissions” feature was activated before configuring App Managment Service.

To solve this issue for the above reasons check granting permission to an app in SharePoint 2013