What is MDT? What are FSET, FRSET? - CICS

What is MDT? What are FSET, FRSET?



- Modified Data Tag(MDT) is one of the bits in attribute byte that indicates the modification of fields on the screen.

- It is performed on an input operation.

- FSET will set the MDT that ensures the transmission of the field.

- It is performed on an output operation.

- FRSET will reset the MDT.

- The field continuously be sent until the MDT resets
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