We have this information on our website.
https://support.clarivate.com/Endnote/s/article/EndNote-APA-7th-Output-Style?language=en_US
Please note the following limitations of the style:
EndNote does not currently support: If 20 or more authors, list the first 19, followed by , … <last author>
Once you have completed the document you can use the option to Convert to Plain text then you could edit the Bibliography to fix any of the references which have more than 20 authors manually.