Add a new Close widget from your dashboard.

Click Create dataset beside Activity Overview.

Enter your API key, then click the Connect button.
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To generate, or find, your API key, see this article from Close's help docs.

In the pop up window, login to your Close account. Follow the steps to create a connection and authenticate your Close account.

After you return to the connection panel, click Create widget to start creating your Close widget.
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To learn more about creating dataset widgets, see our guide to creating visualizations from datasets.