Configuring OneLogin for using delegated (passwordless) authentication with PBworks is easy. Follow these steps:

PBworks configuration

Contact PBworks and ask the to enable delegated authentication for your account. Provide this URL:

https://app.onelogin.com/delegation?app=pbworks

Your PBworks representative will provide a shared secret that you'll use when setting up OneLogin. 

OneLogin configuration

1. In OneLogin, click the padlock to get to the dashboard, then Find apps. 
2. Search for PBworks. Click Add.
3. In Authentication Method choose "API".
4. In Logins, choose either "Configured by admin" or "Shared". Never choose "Configured by users" here, as that will enable users to assume each others identities in PBworks. 
5.  In Domain, type the name of the domain you registered with PBworks. 
6. In Network, type the name your your PBworks network. 
7. In Secret, insert the secret key provided by your PBworks representative in the steps above.
8. Select roles to which this application should be available. 
9. Click Update.

User configuration

1. Click People, then Users. 
2. Click Edit next to a user you'd like to setup for PBworks. 
3. Scroll down to the logins, and click edit next to PBworks. 
4. In Email, type the email address the user is signed up with in PBworks. 
5. In Permission, type either 'guest', 'user' or 'admin' to identity the users permissions in PBworks.

Repeat step 2-5 for each user that should have access to PBworks through OneLogin.

And you're done.