[keycloak-user] custom password policies

Hello, We have some special need regarding the password policies: 1. user must use the password within X days 2. user can not change password within Y days 3. lock out user after password has been expired for N days I don't know if these are supported in Keycloak since i dont see them in the password policy. Is it possible add my own password policies and if yes, can I have some guideline? Thai