Add a help button

Add the following customization code to script.js:

CTXS.ExtensionAPI.addHelpButton(
    function onClick() {
        CTXS.ExtensionAPI.openUrl("http://www.example.com");
    }
);
<!--NeedCopy-->

Before adding the customization code:

Screenshot of toolbar without help button

After adding the customization code, here is what it looks like:

Screenshot of toolbar with help button

Add a help button

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