Go to the Asana settings section. You can get a new asana account from here. In the Asana settings section you can provide your Asana Workspace ID and your Personal Access Token (PAT) as App Token.

To get the App Token first you need to go the settings by clicking on the Settings button.

Then under the Apps section you need to click on Build new Apps option.

From here you can see the existing tokens and also you can create new app token by clicking on the button Create new token.

To get the Workspace ID you need to go to this link and then as per the image you need to fill your App Token on AUTHORIZATION section and then click on the button Try It!, as you can see in the Response section you can get the Workspace ID's of the workspaces from here.

If you want to test the connection from Odoo to Asana you can click the TEST button, if the connection is success then it will be shown as in a popup as connection successful.

From the IMPORT PROJECTS AND TASKS button you can import the Projects and Tasks from Asana to Odoo if the Projects are not already imported then the Projects will be get imported also the corresponding Tasks will be imported according to the Project Sections from Asana.

Here you can see the imported project from Asana in Odoo.

Here you can see the imported project from Asana in Odoo in Asana.

Here you can see the option Export to Asana, which will act as the projects will be exported into the asana also the project stages, also tasks according to each project stage will be exported into asana.

Here you can see the exported Projects from Odoo to Asana in Asana.