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Only the CHNG DLI Call could change the value of destination code. The ISRT DLI Call will send the message to LTERM or IMS Transaction:

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IMS MFS Maps file

The Mainframe Analyzer will analyze the IMS MFS Maps file (*.mfs) so that it is possible to find out which Cobol programs use an MFS Map:

• MFS Maps are contained in files with the extension *.mfs.
• FMT macro defines the map (called "format" in IMS vocabulary).
• MSG macro defines MID and MOD messages. MID are those that have the INPUT type and MOD are those that have the OUTPUT type.
• MID and MOD identifiers are specified in the IO-PCB.
• In the MID/MOD structure, there is a field that contains the name of the transaction. This information allows the analyzer to create links between MFS Maps and transactions

As a result:

• The Mainframe Discoverer will detect a project (and therefore automatically create an Analysis Unit) for each *.mfs file discovered in a folder.
• .mfs files have been added to the list of files that will be automatically analyzed - see for example Mainframe - Analysis configuration
• New object types will be resolved - see Mainframe - Analysis results: