Release 10.1A: OpenEdge Development:
Messaging and ESB

> ## setSingleMessageAcknowledgement procedure

> Turns on single-message acknowledgement for a client session.

> #### Syntax

>     PROCEDURE setSingleMessageAcknowledgement.
>     DEFINE INPUT PARAMETER ackMethod as LOGICAL.

> #### Applies to

> Session objects

> #### Notes

> - If a session is configured to use single-message acknowledgement, the following rules apply:

> - Groups of messages cannot be acknowledged in one operation.
> - Acknowledge-and-forward can be used.
> - This procedure must be run before the client session starts. Otherwise, an error is raised.

> #### See also

> acknowledgeAndForward procedure, setSingleMessageAcknowledgement procedure, getSingleMessageAcknowledgement function, setNoAcknowledge procedure, getNoAcknowledge function

> For more information, see the "Message acknowledgement, forwarding, and recovery" section and the "Single-message acknowledgement" section.

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