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ABAP Keyword Documentation → ABAP − Reference → User Dialogs → Screens → Statements in the Screen Flow Logic →Syntax
FIELD dynp_field { [ MODULE mod [] ]
| [ [MODULE mod] WITH hlp ] }.
Effect
The FIELD statement of the screen flow logic controls the data transport from the dynpro to the ABAP program during the event PAI. It can be combined with the MODULE statement to conditionally call dialog modules, to allow you to check any input, and to allow self-programmed field and input helps at the events POH and POV.
FIELD can be used in the event blocks at PBO, PAI, POH and POV, but it has no effect in the event block at PBO. For dynp_field, you must specify a screen field of the current dynpro. The statement has the following effect:
If a switch is assigned to the screen field dynp_field in the Screen Painter, the statement FIELD is considered only if the screen field has been switched on by the switch.
Note
The statement FIELD has two further additions VALUES and SELECT for executing an obsolete value check in the flow logic.