Can OAuth 2.0 flow run without any human intervention?

I currently have an OAuth flow where I first need to manually grant access to Robocorp on each run.

I want to completely cut this out so the bot can run completely unattended.

Here is what my flow looks like:

During the 30s sleep time I am currently authorizing permissions.

I am using a local vault.json file to store my token.

My “First Run” OAuth looks like this:

image

After the first run, the token is then filled:

How can I automate this flow without using any UI? Is it possible?

Portal has example for this with instructions how to set it up.