Data Connections
A data connection is a connection between your Portal fields and an external data source such as a database, Reference Data, or Solution Data. On clicking on settings for Data Connections in Content, the composer appears with Data Connections Library pop up. Click on Create to add a data connection. The connections need to be added in Connections → Data Sources to be shown in composer Data Connection Library. You can add and configure data connections under Contents and then use them in your widgets. See data connections for more details.