# File lib/aws/iam/user_policy.rb, line 66
      def policy= policy

        policy_document = policy.is_a?(String) ? policy : policy.to_json

        options = {}
        options[:user_name] = user.name
        options[:policy_name] = name
        options[:policy_document] = policy_document

        client.put_user_policy(options)

        nil
      end