# Setup Checkout Blocker **GoAffPro** provides you with the option to set up the checkout blocker in your store. To set up the checkout blocker in your store, go to the **Toolbars** section in the **Look and Feel** tab of the GoAffPro admin panel.

Here, go to the Checkout blocker section.

Now, enable the toggle.

Next, click on **Configure selectors**.

This will open up the Checkout Button to block window.

Here, click on **+ Add selector**.

After this, you can set the CSS selector and action. Finally, click on **Submit**.

Set the CSS selector & action > Click on Submit

This will prevent customers from checking out unless they use the affiliate's referral link to visit your store.

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