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F4UT_PARAMETER_ALLOCATE - Reserves space for a parameter in RECORD_TAB

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Functionality

The F4 processor manages the data selected to be displayed or returned in the screen in table RECORD_TAB. In some cases, however, a search help exit also needs the contents of additional fields of the selection method. Calling this module ensures that space is reserved for this field in RECORD_TAB and its contents are also selected. In this case, the search help must have a parameter with the same name as the corresponding field. This parameter does not have to be an EXPORT parameter and does not have to appear in the hit list.

This function module must then be called in the search help exit at time SELECT. You must pass the name of the corresponding parameter (or corresponding field of the selection method) in IMPORT parameter PARAMETER. The other parameters of this module must be asigned the parameters of the search help having the same name.

After selection, the contents of the parameter can be defined by calling the function module F4UT_PARAMETER_VALUE_GET.

Example

Notes

1. If the processed search help does not have a parameter with the specified name, the exception PARAMETER_UNKNOWN is triggered. If there is no more space free in RECORD_TAB for managing the parameter, the exception NO_SPACE is triggered.
2. The module can also be used to mark that a parameter does not have to be managed in RECORD_TAB. In this case you must set the IMPORT parameter DEALLOCATE.

Further information

Parameters

CALLCONTROL
DEALLOCATE
PARAMETER
RECORD_TAB
SHLP
SHLP_TAB

Exceptions

NO_SPACE
PARAMETER_UNKNOWN

Function Group

SF4U

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