# Get a master booking expense view by id Endpoint: GET /masterBookings/{masterBookingId}/expense Version: 1.0.0 Security: M2X_auth_application ## Path parameters: - `masterBookingId` (string, required) Internal M2X master booking id ## Response 200 fields (application/json): - `total` (number,null, required) The projected total expense for the master booking - `expenses` (array, required) - `expenses.bookingId` (string) The booking identifier - `expenses.total` (number) The projected total expense for the booking ## Response 404 fields (application/json): - `message` (string) Example: "not found"