If you say "Okay Google, activate computer", then Append to a text file in Dropbox
If
Activate scene
This Trigger activates a named scene when you say "Ok Google, activate [Scene Name]".
Then
Append to a text file
This Action will append to a text file as determined by the file name and folder path you specify. Once a file’s size reaches 2MB a new file will be created.
Discover more time saving integrations for Dropbox and Google Assistant