Login to your Asana account
Click on your Profile icon on the top right corner
Then click Settings
Click "Apps"
Click "Manage Developer Apps"
Click "Create new token"
Give it a name, tick the checkbox
Click Copy
Paste the Access token on the integration panel
Go to https://app.asana.com/api/1.0/workspaces
Go back to https://app.asana.com/0/home/
Copy your channel id from the url
Paste these on the integration panel, Settings tab
Go to Actions tab