You can trigger a miniExtensions automation from within Airtable by running a script in your Airtable automation. Here are the steps:
Follow this tutorial to create an Airtable automation if you don't have one already.
For the step of adding an action, you'll want to choose running a script and then paste the script from miniExtensions. You can find the script by going to:
Your automation's configuration
Run
Advanced
Run inside Airtable.
We encourage you to watch the video that's shown after you click on Run inside Airtable, since it goes into more detail on all of this.