A Complete Add-On To Use As A Starting Point
Use this add-on for importing to Yoast as a starting point for your own add-on. It provides a real-world example of how all of the add-on fields work together with WP All Import. No need to start from scratch, fork this example and modify it to your needs.
Here’s the complete add-on: https://github.com/soflyy/wp-all-import-example-addon
Here's the direct link to the .zip archive that you can install in WordPress: https://github.com/soflyy/wp-all-import-example-addon/archive/master.zip
Once you activate the add-on, you’ll be prompted to install WP All Import if it's not already installed and active on your site.
The add-on is for importing to various fields in Yoast WordPress SEO, so to see the result of what the add-on does you’ll need that plugin installed as well.
Do a new import with WP All Import Import (Download example-yoast-data.csv) – you’ll see the add-on show up in Step 3 of WP All Import Import.