# Executing RED Interface IVPs

After installing and activating the RED interface, you have to execute the RED interface IVPs to verify your installation. By performing the sample IVP installation steps and tests, you can verify the bidirectional communication from and to your IBM CICS system with Substation ES.

## Rendezvous IVP

1. Execute the IVP Listener to test the Rendezvous ESB Endpoint.

   Replace the Substation ES variables with the appropriate values. This member initiates a Rendezvous listener, which receives messages from the Substation ES region. The messages originate from a Rendezvous publisher that are executed by one of the interface-submitted IVPs.

   Data Set: `USERHLQ.JCL`

   Member: `SXRGILS`

2. Execute the RED Trigger transaction from CICS.
   From the 3270 screen, type the XT32 or XTC2 command to run a RED trigger transaction:
   - XT32,R,1,2000,RED-TRG-NO-RULES
   - XTC2,R,1,2000,RED-TRG-NO-RULES

   Review the output from the `SXRGILS` job run by Step 1.

## EMS IVP

This member initiates an EMS sender listener, which sends messages to the Substation ES region and waits for replies from Substation ES. Once the CICS application has executed and sent a reply, the messages are consumed and reported by this Substation ES IVP EMS sender listener. Errors are also reported.

- Data Set: `USERHLQ.JCL`
- Member: `SXCRIJSL`

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