In this article, we will be walking you through setting up SAML SSO through Auth0 as an identity provider. Some 

1. Go to Dashboard > Applications
2. Click the + Create Application button in the upper right
3. Select Regular Web Applications then click the Create button
4. In the Settings tab, click in the Name field, enter a name like Mobilize SSO or Mobilize SAML
5. Scroll down to Application URIs

• In Application Login URI enter https://<mobilizeDomain>.mobilize.io/users/auth/saml
• In Allowed Callback URLs enter https://<mobilizeDomain>.mobilize.io/users/auth/saml/callback *If using a custom domain, https://<community URL>/users/auth/saml and https://<community URL>/users/auth/saml/callback should be used

6. Continue scrolling and click on Advanced Settings then choose Certificates

               Copy the Signing Certificate Fingerprint and add it to the Mobilize Certificate Fingerprint ID field

7. Next, choose Endpoints

               Copy the SAML Protocol URL and the Metadata URL and paste this within Mobilize as well

8. Scroll back up to the top of the page and choose Addons
9. Click on SAML2 Web App (*BUT DO NOT TOGGLE TO ACTIVATE)
10. Copy the Issuer (starts with URN:)
11. Choose the Settings tab (next to the Usage tab), scroll to the bottom, and click Save

Note: Some admins have found this link from Auth0 helpful - https://auth0.com/docs/authenticate/protocols/saml/saml-configuration/customize-saml-assertions. 

In Mobilize (from above)

1. Paste the Issuer (starts with URN:) in the Mobilize Metadata URL field
2. Paste the SAML Protocol URL in the Mobilize SSO Target URL field
3. Paste the Signing Certificate Fingerprint in the Mobilize Certificate Fingerprint ID field