Input from a composite screen

You can read mapped input from a screen built from multiple maps, but there are restrictions. First, you can specify only one map in your RECEIVE MAP command, whereas the screen may have been written with several.

Second, BMS cannot know how to position a floating map for input and assumes that the map in your RECEIVE MAP command was written to an empty screen. Thus LINE or COLUMN values of NEXT or SAME are interpreted differently on input than on output. JUSTIFY=LAST is ignored altogether; you should use JUSTIFY=BOTTOM if you want to place a map at the bottom of the screen and read data back from it. See the the CICS® Application Programming Reference manual for the exact rules.

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