Resources must be defined for asynchronous processing, as briefly indicated below. Detailed information on how to define the resources is given in the resource definition guide for your CICS® product.
For example, in Figure 9, the START command in TRAN3 would include the options TRANSID(TRAN4) and RTRANSID(TRAN5). These options cause TRAN4 to be started, and indicate to TRAN4 that it in turn should start TRAN5. This is the intended use of the RTRANSID option; its actual use is application-dependent. TRAN5 must be defined to System B.