def customer(customerId)
      url = "/customers/#{customerId}.json"
      item = Client.request_item(@auth, url, nil)
      customer = nil
      if item
        customer = Customer.new(item)
      end

      customer
    end
def customer(customerId)
      url = "/customers/#{customerId}.json"
      item = Client.request_item(@auth, url, nil)
      customer = nil
      if item
        customer = Customer.new(item)
      end

      customer
    end
Get Customer
 http://developer.helpscout.net/customers/

 Fetches a single Customer

 customerId  Int  id of the Customer being requested

 Request
  REST Method: GET
  URL: https://api.helpscout.net/v1/customers/{id}.json

 Response
  Name  Type
  item  Customer