DESCENDING() will tell you whether it's in DESCENDING order or not. Using a NOT with it should tell you conversely if it's ASCENDING.

>Is there a VFP function that, given an index tag 'number', returns whether the tag is in ASCENDING or DESCENDING order?
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>I have a report that uses TAG() to return the tag name, KEY() to return the index expression, and SYS(2021) to return the index filter expression, and I would also like to list whether the tag is in ascending or descending order.
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>Thanks in advance for your help!
>
>Tom Allan