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Purpose

The Get ECI System Name exit is an implementation of Transaction routing for ECI. Transaction routing is a conceptual process that lets cooperative flow data be routed from a Distributed Process Client (DPC) to a programmatically determined Distributed Process Server (DPS). This exit is called from the ECI cooperative flow runtime, prior to invoking the ci_eci_get_tpn() exit and prior to invoking CICS_ExternalCall() API. This exit is called to obtain the name of the target CICS System (as it is known to the CICS Universal Client).