SAP LOGEXP ASSIGNED documentation, setup help and example usage

ARTICLE

rel_exp - IS ASSIGNED

Syntax
ABAP_KEY ... fs IS [NOT] ASSIGNED ...

Effect
This predicate expression checks whether a memory area is assigned to a field symbol fs . The expression is true if the field symbol points to a memory area. fs expects a field symbol declared using FIELD-SYMBOLS or declared inline using
FIELD-SYMBOL( ) .
If the addition NOT is used, the expression is true if no memory area is assigned to the field symbol.


Example
Assigns a data object to a field symbol if no memory area has been assigned yet.
FIELD-SYMBOLS <(><<)>fs> TYPE c.

...

IF <(><<)>fs> IS NOT ASSIGNED.
ASSIGN 'Standard Text' TO <(><<)>fs>.
ENDIF.

...