title: How to resolved this error "Cannot invoke getObejectAtPath with argument list type of string"
body: <p>I am configuring restkit but i'm getting error like </p>
  
  <blockquote>
    <p>"cannot invoke getObjectAtPath" with argument list.....</p>
  </blockquote>
  
  <p>so how to solve this problem and i also want to write function globally.</p>
  
  <pre><code>func fatchingData() {
          var queryParams = ""
          var path = "property_type/"
          RKObjectManager.sharedManager().getObjectsAtPath(path, parameters: queryParams, success: { operation, mappingResult in
  
              self.resultData = mappingResult.array()
  
  
              },
              failure:{ operation, error in
                  println("error")
              }
          )
      }
  </code></pre>