modules not getting processed by puppet-agent

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http://serverfault.com – On our puppet box ( under the puppet/modules folder ) , I have added a module for installing a package. I then added the classes needed for the resources into the init.pp ( and other derived class files ) into the manifests folder. I configured these classes and the corresponding nodes associated with them in the puppet dashboard. When I run puppet-agent with the environment flag , I see that puppet does not run my module. It is running couple of other modules defined similarly on the box alongside my module , but not my module. What configuration is needed so puppet-agent picks up a module (HowTos)