FIRST ER function
The FIRST function returns the first record of the specified list as a Container (record) value, if that list isn't empty. If the list is empty, this function throws an exception.
Syntax
FIRST (list)
Arguments
list: Record list
The valid path of a data source of the Record list data type.
Return values
Container (record)
The resulting record value.
Example 1
The expression FIRST(SPLIT("ABC",1)).Value returns the text value "A".
Example 2
The expression FIRST(SPLIT("",1)).Value throws an exception at runtime.