This script is a part of the "Elliot waves" toolkit and need to be used with the "Elliot waves" script", because it's generating input parameters for the "Elliot waves" scripts.
You need to add script to chart and on the right bottom corner you can see table with calibration params. Those values you need to copy to "Elliot waves" script settings to see Elliot waves visualization on that chart.
Script settings:
Vertex filter - Value used in the "Elliot waves" script to filter highs and lows that are not an extreme over area width equal to vertex filter value. In edge cases it can change calbiration params. Both scripts should have set the same values of this param.
Troubleshooting: In case of any problems, please send error details to the author of the script.