genericAuth plugin queries

[ranjeetkowel]

I have the genericAuth plugin enabled on the graphql-mesh and it works perfectly well.
I am now trying to implement the validateUser function for a more granular level access. My source is a jsonSchema.

Is it possible to extend it by adding a directive to the generated schema and extend the generated schema so I could use the auth directive as specified in the generic-auth example?
Alternately, there are also instructions to use custom field extensions but that approach is not very clear, specifically on how that would integrate with graphql-mesh.

Some of the things I was considering is to extend the schema, but if there are better ways would love to hear from the community.