All functions / Text
TEXTJOIN
Joins text with a separator between each item.
Syntax
=TEXTJOIN(delimiter, ignore_empty, text1, [text2], …)
Arguments
delimiter: What to put between items, e.g. ", ".ignore_empty: TRUE to skip empty cells.text: Text, cells or ranges to join.
Example
=TEXTJOIN(", ", TRUE, A2:A6) → "Ann, Ben, Cy"