Go to your AlertOps website and click Account Settings in the menu-bar
Click the SSO tab. Check the Use Single Sign-On (SSO).
SSO Provider: Select Other as SSO Provider
Issuer URL: Copy Identity Provider Issuer from SSO Provider
SAML endpoint URL: Copy Identity Provider Single Sign-On URL from SSO Provider
SAML Signature Algorithm: Choose SHA256
X.509 Certificate: Copy X.509 Certificate from SSO Provider
Click Save.

Configuration for Generic SSO provider
Identifier/Entity ID: https://{customer}.alertops.com
Reply URL/ACS URL: https://{customer}.alertops.com/login.aspx