Open a flow. Scroll to the bottom of the Connections panel on the left and select Add Connection to display the Add Connection dialog. Select a Connection from the drop-down list or select Create a New Connection. Select OK to add the Connection to the flow.
How do you create a connector in Microsoft flow?
Sign in to Power Apps or Power Automate. On the left pane, select Data > Custom connectors. Select New custom connector, and then select Create from blank. Enter a name for the custom connector, and then select Continue.