Utility function

Utility functionUtility functionUtility functionUtility functionUtility functionUtility function
Utility functionUtility functionUtility functionUtility functionUtility functionUtility function
Utility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility functionUtility function