Locates a field in the form tree: outermost container first, then the leaf element that holds the submission value. Repeatable sets are not scoped to a single row — prefill copies every source row to the same index on the target repeatable set.
Leaf element id (must have a name used in submission).
id
name
Locates a field in the form tree: outermost container first, then the leaf element that holds the submission value. Repeatable sets are not scoped to a single row — prefill copies every source row to the same index on the target repeatable set.