Multiframe Highs/Lows

[Mauripasto]

Now it works, thank you.

[NinjaTrader_PatrickH]

Hello Mauripasto,

Thank you for your post.

You would not use "Add()" to add the high, you already added the needed data via the 15, 30, and 60 minute series. So you would call the high via Highs. Please visit the following link for more information: http://www.ninjatrader.com/support/h.../nt7/highs.htm

Please let me know if I may be of further assistance.

[Mauripasto]

Actually I have a very simple problem, but I can't work it out.
I just need to get the High values for 3 different timeframes, so I wrote:

Add(PeriodType.Minute, 15);
Add(PeriodType.Minute, 30);
Add(PeriodType.Minute, 60);

Add (High);

Why do I get an error ?