Chapter 12 XA—External Transaction Manager This chapter describes the EMS XA API. This API lets you code your own transaction manager (TM) that can interact with the EMS server as a transactional resource. Topics • tibemsXAConnection_Close • tibemsXAConnection_Create • tibemsXAConnection_CreateXASession • tibemsXAConnection_Get • tibemsXAConnection_GetXASession • XID • tibemsXAResource • tibemsXASession