In the Datasources menu you can create and manage datasources
You can create new datasources with the Add new button. After you pressed the Add new button you can select from two options. First, you can Use Existing URL. Second, you can Create new Google spreadsheet. In the second case, you are only able to create a new spreadsheet if Google API keys are set on your server.
If you want to Use Existing URL, you have to fill out the name, URL, and Refresh time.
You can also set it’s type and you can leave a comment.
With the button you can remove the datasource.
With the button you can preview the data in the datasource in Json format.
With the button you can refresh your datasource manually.
About Data binding