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## GetMessageHandle

Syntax

`function GetMessageHandle`

        (queuename in varchar2,

         itemtype in varchar2,

         itemkey in varchar2,

         actid in number,

         correlation in varchar2 default null)

         return raw;

Description

Returns a message handle ID for a specified message.

Arguments (input) | queuenameThe name of the queue from which to retrieve the message handle.
itemtype | The item type of the message.
itemkey | The item key of the message. An item key is a string generated from the application object's primary key. The string uniquely identifies the item within an item type. The item type and key together identify the process instance.
actid | The function activity instance ID that this message is associated with.
correlation | Specify an optional correlation identifier for the message. If the correlation is null, the Workflow Engine creates a correlation identifier based on the item type.

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