'''AvgLength (50)''' sets the period, expressed in bars, for which to calculate the average volume.<br>
'''AlertPct (50)''' sets the percentage by which volume must be greater than the average.<br> '''UpColor (cyan)''' sets the color to be used for the volume plot when the Price input's value is greater than it was one bar ago.<br>
'''DownColor (red)''' sets the color to be used for the volume plot when the Price input's value is lower than it was one bar ago.