Create RMA rule

Creates a new RMA rule. Permission: sales.rma.rules.create.

Endpoint

POST /api/admin/rma/rules

Request body

Field	Type	Required	Notes
name	string	Yes	Rule label.
return_period	integer	Yes	Return window in days.
description	string	No	Free-text description.
status	integer	No	1 active / 0 inactive (default 1).

Returns 201 with the created RMA rule.