What does [@Table1] mean?

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Posted on by AGroegelich

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Hi all,

I am new to PowerApps so I have still to figure out a lot. I have created an app with an Excel data source. Right now I am a bit confused how to use the datasource in formulas. As far as I know I can use something like:
SortByColumns(Table1;"MyColumn")

But I also see this notation:

[@Table1]

What is this? I don't know what it is called so I cannot look it up in the documentation 🤔

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Building Power Apps

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Community Power Pla... Microsoft Employee on at

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See the thread here
https://powerusers.microsoft.com/t5/Building-Power-Apps/How-does-the-quot-quot-notation-work/td-p/7265
AGroegelich 140 on at

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Hi EricLott,

Thanks that helps me in the right direction.
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timl 37,287 Super User 2026 Season 2 on at

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Hi @AGroegelich

This is called disambiguation syntax, and the help on this is here.

https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/functions/operators

PowerApps includes functions and various reserved words. For example, the Table function creates a table, and the User function returns the current user.

If we were to create a table in Excel called Table, we would refer to this in PowerApps as [@Table] to avoid any conflict between the data source name, and the built-in function with the same name. That's basically the reason why you see this notation.
AGroegelich 140 on at

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Hi timl,

Thank you for the clarification. After reading the documentation I still didn’t have a completely understanding, but with your example I get it. Thanks.