# Add fee to a booking model **POST /bookings/{booking_id}/models/{booking_model_id}/fees** ## Servers - https://*.syngency.com/admin/api: https://*.syngency.com/admin/api () ## Parameters ### Path parameters - **booking_id** (integer(int32)) ID of booking that booking model belongs to - **booking_model_id** (integer(int32)) ID of booking model to add fee for ### Query parameters - **description** (string) Line Item description of this fee - **amount** (integer(float)) Total Amount of fee - **model_amount** (integer(float)) Amount payable to model (if not Total Amount less charges) - **is_usage** (boolean) If fee is a Usage (1) or Expense (0) - **is_inclusive** (boolean) If fee should be inclusive of any associated charges ## Responses ### 201 Fee added successfully #### Body: application/json (array[array]) ### 400 A validation error occurred #### Body: application/json (object) - **code** (integer(int32)) - **message** (string) ### 500 An unexpected error occurred #### Body: application/json (object) - **code** (integer(int32)) - **message** (string) [Powered by Bump.sh](https://bump.sh)