This doesn't seem to work for me: I've followed the install instructions and have double checked I'm using the right key, but all I get on my page is a blank box. Any suggestions?
Topic on Extension talk:GoogleDocs4MW/Flow
I am having this same issue also in 2019
This is because only the iframe is being drawn, the content is not being brought in.
You must first make sure that you share to web the spreadsheet and the follow the instruction in this comment:https://www.mediawiki.org/w/index.php?title=Topic:Uqvolfisau2pq127&topic_showPostId=uqvolfisay0ry50f#flow-post-uqvolfisay0ry50f