Gets the appropriate module attribute name for a collection 
        corresponding to the context's element type.

def get_attribute(self):
        """Gets the appropriate module attribute name for a collection 
        corresponding to the context's element type."""
        attributes = ['dependencies', 'publics', 'members', 
                          'types', 'executables']
        #Find the correct attribute based on the type of the context
        if self.context.el_type in [Function, Subroutine]:
            attribute = attributes[4]
        elif self.context.el_type == CustomType:
            attribute = attributes[3]
        else:
            attribute = attributes[2]

        return attribute