To connect to Alfresco, the following connection properties must be supplied: User, Password, and InstanceURL. User and Password should correspond to the login credentials that you use to access Alfresco in a web browser. InstanceURL corresponds to the Alfresco instance you will be querying. For instance, if you expect your queries to hit https://search-demo.dev.alfresco.me/alfresco/api/-default-/public/search/versions/1/sql, you should supply search-demo.dev.alfresco.me for InstanceURL.