specifies a character
expression that identifies the macro variable that is assigned a value.
If the macro variable does not exist, the routine creates it.
argument-2
specifies a character
constant, variable, or expression that contains the value that is
assigned.
Details
The CALL SYMPUT routine
either creates a macro variable whose value is information from the
DATA step or assigns a DATA step value to an existing macro variable.
CALL SYMPUT is fully documented in “SYMPUT Routine”
in SAS Macro Language: Reference.