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