[amibroker] How do I use use an index as a filter for a buy signal?

["kenharold@xxxxxxxxxxxxxx" <kenharold@xxxxxxxxxxxxxx>]

Can someone assist with the code required to set a flag based on the ASX index, XAO. I want my buy signal to only operate when PDI(14)>(MDI(14)for the XAO. Any assistance would be appreciated.



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