Adding Detrended Price Oscillator to Charts

 
In the MQ help function on the charts they have listed the Detrended price Oscillator - DPO. I would like to add this indicator to my indicators list but it is not listed in the charts drop down menu can you please help me this.
 
you have very old help-file. some indicators were sheduled but not implemented
 
you have very old help-file. some indicators were sheduled but not implemented
I downloaded MT4 on 18 October 2005 and MIG tradingstation also. All List the DPO. Anyway, can you help me to put this indicator in my Custom indicators list or refer me to someone who can. I'm not a programmer and therefor would need some help.