Through the approve return API, you can transition a return to approved status.
Whether to send a notification to the customer.
Whether to execute the creation of labels according to the default configuration during the approval process.
If generate_label is set to true, this field can be used to customize the reference on the label.
If generate_label is set to true, this field is used to specify the sender's address
If generate_label is set to true, this field is used to specify the receipent's address.