whole_func_string: function track(event, properties) {
    RNSensorsAnalytics && RNSensorsAnalytics.track && RNSensorsAnalytics.track(event, properties);
  }
func_code_string: function track(event, properties) {
    RNSensorsAnalytics && RNSensorsAnalytics.track && RNSensorsAnalytics.track(event, properties);
  }
func_documentation_string: 追踪事件
  
  @param event
  @param properties