### CAT_EGT0$<$t$>$

Get the value of a scalar expression, field or parameter

#### Description:

Get the value of a scalar expression, evaluated from the current row buffer, field or parameter.

#### Invocation

CALL CAT_EGT0$<$t$>$ (GI; VALUE, NULFLG; STATUS)

#### Arguments

##### GI = INTEGER (Given)
Identifier for either an expression, field or parameter.
##### VALUE = $<$type$>$ (Returned)
Value to which the expression evaluates for the current row buffer.
##### NULFLG = LOGICAL (Returned)
A flag indicating whether or not the expression evaluates to the null value or not: .TRUE. - The expression is null, .FALSE. - The expression is not null; a genuine value is available.
##### STATUS = INTEGER (Given and Returned)
The global status.