Connect to a SharePoint site to instantly produce an app from a custom list, or create a connection before adding DATA to an EXISTING app or creating a new one.

You can use one or both of these methods, depending on where your data is stored:

• In a SharePoint Online or on-premises site, display data from a custom list.
• In a LIBRARY, you can display photos and play video or music files (SharePoint Online only).

Power Apps can automatically create a three-screen app for you if you want to handle data in a custom list. On the first screen, users can explore the list; on the second screen, they can view ITEM information; and on the third screen, they can create or amend things.

Establish a Connection:

• Sign in to Power Apps, then go to Data > Connections in the left menu bar, then New connection in the upper-left corner.
• Choose SharePoint.
• Perform one of the following sets of steps:
  • Select Connect directly (CLOUD services), Create, and then provide credentials to connect to SharePoint Online (if prompted). After you've established the connection, you can either add data to an existing app or start from scratch.
  • Select Connect using an on-premises data gateway to connect to an on-premises location. After that, select Windows as the authentication type and enter your credentials. (Specify domain/alias if your credentials include a domain name.)
    Select the gateway you want to use under Choose a gateway, and then click Create.

After you've established the connection, you can either add data to an existing app or start from scratch.