How to Set up SSO in Jenkins using SAML 2.0

I have installed jenkins on GKE. Now I want to set up SSO. I have installed SAML 2.0 Plugin(I want to use open source plugin only). Where will I get Entity Id and Assertion URL in jenkins UI.

Got the details and sso is working using SAML 2.0 Plugin.
Entity id: https://YOUR_JENKINS_URL/saml/metadata
Assertion URL: https://YOUR_JENKINS_URL/securityRealm/finishLogin