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ABAP Keyword Documentation → ABAP − Reference → Program Flow Logic → Expressions and Functions for Conditions → log_exp - Logical Expressions → rel_exp - Predicates →rel_exp - Predicate Expressions
Syntax
... {operand IS [NOT] INITIAL}
| {ref IS [NOT] BOUND}
| {<fs> IS [NOT] ASSIGNED}
| {para IS [NOT] SUPPLIED} ... .
Effect
A predicate expression uses the predicate operator IS to get a logical value from the state of an operand.
Notes