message: Check if displayName key exists
diff: @@ -453,9 +453,11 @@ void FillUIRelatedFields(smart_objects::SmartObject& response_params,
  hmi_capabilities.display_capabilities()->getElement(
  hmi_response::display_type);
  + if(hmi_capabilities.display_capabilities()->keyExists(hmi_response::display_name)) {
  display_caps[hmi_response::display_name] =
  hmi_capabilities.display_capabilities()->getElement(
  hmi_response::display_name);
  + }
  display_caps[hmi_response::text_fields] =
  hmi_capabilities.display_capabilities()->getElement(
  