Follow the instructions on https://support.google.com/a/answer/6087519. On the screen that says Google IdP Information
- Download the certificate
- Take note of the SSO URL
You will need to enter these details into the SSO setup page. For the ACS URL, you can use the generated URL from the SSO setup page in your account. It should look like https://zeroheight.com/sso/acs/xxxxxxxxxxxxx. For the Entity ID, you can use the generated ID from the SSO setup page in your account. It should look like zeroheight:xxxxxxxxxxxxx