Liquibase access error

1

liquibase --log-level=debug --% validate , I am trying to use password in this command -password=“fasdasdsad” this is working but when I use $password in the powershell task where I am using liquibase validate command I am seeing following error:
Caused by: com.mongodb.MongoCommandException: Command failed with error 18 (AuthenticationFailed): 'Authentication failed