3. Authorization<br/>  The connection to AirBnB takes place using our OtelmsAPP application, which is directly connected to the OtelMS system. If you see the red button "Link to AirBnB" at the bottom of the page, it means that you are not yet authorized, and you have to do it. <br/><ul><li>Log in to AirBnB</li><li>Grant all the permissions for the application OtelmsAPP</li></ul>  At this point the initial setup is done and you can proceed to the next step. <br/>