Function-Identifier

A function-identifier is a syntactically correct sequence of character strings and separators that uniquely references the data item resulting from the evaluation of a function.

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Format

>>-FUNCTION--function-name-1--+----------------------+---------->
                              |    .------------.    |   
                              |    V            |    |   
                              '-(----argument-1-+--)-'   

>--+--------------------+--------------------------------------><
   '-reference-modifier-'   

argument-1
Must be an identifier, literal (other than a figurative constant), or arithmetic expression.
function-name-1
Function-name-1 must be one of the intrinsic function names.

For more information, see Intrinsic Functions.

reference-modifier
Can be specified only for alphanumeric, DBCS, or national functions.