# Example of CICS TSQ Entry

This IVP example illustrates how a TIBCO messaging client application initiates a request message that forces Substation ES to write the data into a temporary storage queue (TSQ) with the CICS WRITEQ TS method.

Substation ES delivers an acknowledgment to the IVP Sender Listener. In both directions, the Substation ES Transformer converts the data according to conversion rules in the recipe.

For more information about the process flow, see the "Messages Flow" section of the TIBCO Substation ES Concepts manual.

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