With the Change and Transport System (CTS) you can transport the following objects with the CTS transport request:
ABAP proxies for ES Repository message interfaces are usually created in another SAP system that belongs to the ES Repository. A transport in which message interfaces from the ES Repository and corresponding ABAP proxies are to be transported in a transport request is therefore not possible with the procedure described here.
Transporting Non-ABAP Objects in Change and Transport System
There are two variants for SAP PI transports using CTS with the following system prerequisites:
In addition the CTS transport must be activated for each SAP PI system that is to be connected with the CTS transport landscape.
More Information:
More information: Configuring CTS and Relevant systems for CTS transports
More information: Configuring Source and Target Systems
More information: Transporting Objects