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I do not understand why I get this error

I have created a custom indicator that compiles with zero error or warnings. Yet when I try to use it in an expert advisor using the iCustoms function it tell me the OnCalculate function is not found in the custom indicator. Has anyone else run into this problem and if so how did you correct it. I

1

Open lines with or without an alert

Good morning coders and mql4 masters I have look through the forum and could not find what I am looking for and thought maybe some kind soul could help this computer challenge person out with an ea or script that would perform the following Is it possible to create lines in the main chart window

1

custom indicator ?

I have tried to generate a custom indicator that is based on a ema indicator which would draw multiple lines all based on the same period value but shifting the plot up and down based on the closing price multiplied by a percent value. the code compiles but only prints one of the waves requested any