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What means functions like [@Filter]?

I know the @ is the disambiguation operator, but when i'm typing some formulas in PowerApps Studio, some functions appears with this operator: [@Filter] 




What this does? In docs, says that the operator is used with tables, data sources, context variables,.. But no mentions with functions.

If you can provide examples of it working, would help me a lot.




Resident Rockstar
Resident Rockstar

In all honesty, can't say that I have ever used Filter this way in all the apps I've ever built. It may have something to do with disambiguation when filtering, but that's usually contextual anyways. Since it's not documented, I can't imagine it does anything worthwhile. Or at least, not anything we don't do with other patterns.

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