GTM 
The workflows and tasks to create, modify, and delete GTM objects and devices on F5 BIG-IP
are available under Application Delivery > F5
BIG-IP CLI > GTM.
GTM - Create
The Create folder under GTM contains prebuilt tasks that can be leveraged to create GTM objects on F5 BIG-IP.
GTM - Modify
The Modify folder under GTM contains prebuilt tasks that can be leveraged to modify GTM objects on F5 BIG-IP.
GTM - Delete
The Delete folder under GTM contains prebuilt tasks that can be leveraged to delete GTM objects on F5 BIG-IP.