There are two ways to set the value of a target
element to a
WebSphere MQ constant, depending
on whether the target element has an entry in the Map Script column of the
Message Mapping editor Spreadsheet pane:
The following examples demonstrate how to
enter a
WebSphere MQ constant in the Edit pane:
$mq:MQ_MSG_HEADER_LENGTH
$mq:MQMD_CURRENT_VERSION
When the map is saved a warning message is displayed if the expression
entered for the WebSphere MQ constant is incorrect,
for example the constant is not recognized. This is an example of the warning
message: The target "$target/purchaseOrder/comment" is not referencing
a valid variable.
Content Assist () provides a list of the
WebSphere MQ constants available.
- Select $mq: ( MQ constants )
- Select again to display a list of the available constants.
WebSphere MQ constants that can be used
as values for target elements, grouped by the parameter or field to which
they relate, can be found in the
WebSphere MQ Constants book.