1. For Apex Plugin Class, enter the name of the Apex class you created to customize the behavior of the connected app.
2. For Run As, select the name of the user to run the plug-inas.The plug-in runs on behalf of a user account. If the user isn’tauthorized for the connected app, use the authorize method to do so. For more information, see the ConnectedAppPlugin class in the Apex Code Developer's Guide.