monthStart()

returns the first day of a given month syntax monthstart(\[date]) date (optional) the date from which to derive the first day of that date's month return type date docid\ xtaqdzvlbtakjxrnpfwe9 sample usage monthstart('2020 05 12') returns 2020 05 01 supported data types input type return type logic date docid\ xtaqdzvlbtakjxrnpfwe9 date docid\ xtaqdzvlbtakjxrnpfwe9 the input date specifies the desired month the month is then used to determine the first day in that month unsupported data types null docid\ n9trvqonnbknql9drnbp6 unsupported data types return null