post https://eu-ext.linnworks.net/api/ReturnsRefunds/DeleteRefund
Deletes all lines from the given refund header that have not yet been processed, or acknowledged as errors, removing it from the "Actionable Refunds" screen. If no lines are left, the header row is deleted
Permissions Required: GlobalPermissions.OrderBook.ReturnsRefunds.Refunds.DeleteRefundsNode
Rate limit: 150 / minute