Hey there, sure thing!
Once you download WordPress and start the installer, you’ll get to this step which asks for your database credentials:
To find those from the Aiven console, go to your Services list, and click on your MySQL database to get to its Overview page, which will look something like this:
You can use the little copy icons on the side to copy/pasta your Database Name, User, Password, and Host and Port from Aiven to WordPress, like so:
NOTE: Since the WordPress installer doesn’t have “Database Port” as a separate field, you need to “smoosh” hostname + port together with a “:” between, otherwise you’ll get an error about being unable to connect to the database.
You’ll know it works when it calls you “Sparky.” 
