How to generate event in authn flow to map to SAML status

[Joey Wang]

Hi, 

I understand IDP SAML response can include a status code and message that is resulted from IDP flow events.The errors.xml file contains a map that links event names to SAML Status code such as:
<entry key="InvalidCredentials" value-ref="shibboleth.SAML2Status.AuthnFailed" />
I am writing an authn flow extension and my question is how I can raise the event "InvalidCredentials" in my extension? Is there an example that I can follow?
Thanks, Joey
 
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