@Bruna Junckes hey so the Trello API doesn't treat files any differently from links unfortunately so you can't post the files to the linked cards. This Trellinator code will post the attachments as a link:
I've also in some cases downloaded the attachment to Google Drive and then posted that link, but either way I've not been able to get the actual file synched.
You can find out more about Trellinator here:
If you had to thrive a new habit during a lockdown, what would it be? Trello
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event