how to detect what instrument the strategy is on?

[laces2]

i was wondering how to detect what instrument the strategy is currently on, and have it only work on certain ones. Example: I want my strategy to only run on ES, so if it is on something else it wont run and will display an error message.

[NinjaTrader_RyanM1]

Hello Laces2,

You can see information for the instrument class below:

http://www.ninjatrader-support.com/HelpGuideV6/InstrumentClass.html

Unfortunately we don't provide support for restricting the instrument that the strategy is run against. Instrument selection happens in the GUI, before running the core strategy logic. You may be able to check for this in the strategy OnBarUpdate(), but there's no way to prevent selecting other instruments in the GUI.