action taxamo_email_refund { label: "Email credit note" provider: taxamo method: POST path: "/api/v1/transactions/{key}/invoice/refunds/{refund_note_number}/send_email" encoding: json input: { type: "object" properties: { key: { type: "string" } refund_note_number: { type: "string" } } required: ["key", "refund_note_number"] additionalProperties: false } output: { type: "object" additionalProperties: true } }