# CICS Execution Command

C entered from a CICS 3270 screen: XTR3

The input parameters format is listed as follows:

`XTR3,<C|N|T|S>,<size number>,<`timeout number`>,<`service name`>`

where:

- ?: means Help.
- C: implies use of common area (Default).
- N: implies use of Container.
- T: implies use of TSQ.
- S: implies use of Storage Pointer.
- size number: indicates the request message size to be sent. The minimum size is 308 by default, and any number over this size will increase the length of the data sent. This allows testing of sizes that are greater than 32K.
- timeout number: indicates the time in seconds that the application will wait for the reply message. The default value is 20.
- service name: indicates the Trigger service name to be used in publishing the initial message. The default value is RED-RR-REQUEST.

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