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.

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.