Shibboleth - How to configure multiple Password Authentication Configurations

[avinash92c]

In shibboleth we have PasswordAuthnConfiguration.

i want to have multiple PasswordAuthnConfiguration nodes which will be chosen depending on SP.

i am able to choose an authentication method based on SP from replying party.xml
but what if i want to have multiple set of configurations for PasswordAuthnConfiguration and picking on depending on SP.

eg.,,

SP1 - PasswordConf 1
SP2 - PasswordConf 2