https://www.ibm.com/docs/en/ims/15.3.0?topic=otma-administering-tmembers
IMS provides commands to get information about and dynamically modify OTMA target members (tmembers).
imscommunicationsconnectionsotma
https://www.ibm.com/docs/en/ims/15.1.0?topic=client-clientserver-resynchronization-otma
In order to guarantee that client transactions are processed and that they are processed only once, OTMA provides a protocol for synchronizing transactions.
client serverimscommunicationsconnectionsotma