AutomatorWP – Link add-on adds new triggers to lets your users to complete automations through link clicks.
You can configure any trigger of your choice to being completed through a link click as explained here.
In addition, you can place the link that completes this trigger anywhere through the [automatorwp_link] shortcode.
Also, you can check the automations samples page where you can see some samples of the possibilities of this add-on.