Update RMA custom field

Partial update — send only the fields you want to change; omitted fields keep their current value. Permission: sales.rma.custom-fields.edit.

Endpoint

PUT /api/admin/rma/custom-fields/{id}

Request body

Field	Type	Required	Notes
label	string	No	Field label.
is_required	integer	No	1/0.
position	integer	No	Sort order.
status	integer	No	1 active / 0 inactive.
options	array	No	Sending options replaces the full option set. Each entry { name, value }.

Returns 200 with the updated RMA custom field.