code: def add_tip(options={})
        response = connection.post do |req|
          req.url "tips/add", options
        end
        return_error_or_body(response, response.body.response.tip)
      end
docs: Add a tip
  
   @param [Hash]  options
   @option options String :venueId - Required, which venue to add the tip to.
   @option options String :text - The text of the tip.
   @option options String :url - Optionally associated url.