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What Brackets go where and when do I use them

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Hi,

In access vba when you got a naming wrong (left space between words), or there was a invalid symbol used or the word was a control (part of the programming language) you placed it in brackets.

If I have "1.4_Comments"

and wish to use it in "1.4_Comments.Text"

Do I use square brackets or ....?

[1.4_Comments].Text

For Example because of the decimal point:

Patch(GeneralHSEAudit_Mobile, {[1.4_Comments]: EditScreen1.[1.4_Comments].text, [2.1_Plan]:EditScreen1.[2.1_Plan].Text........})

Both the "(" and The "{" are used in the programming syntex, what else is best practice?

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Building Power Apps

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timl 36,393 Super User 2025 Season 2 on at

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Hi @Anonymous

Single quotes are what we usually use to escape column names. In your example, the code would look something like this.

Patch(GeneralHSEAudit_Mobile, SourceRecordThatYouWantToPatch, {'1.4_Comments': EditScreen1.'1.4_Comments'.text, '2.1_Plan':EditScreen1.'2.1_Plan'.Text........
} )

In terms of other best practice, I would recommend reading the best practice document here.

https://pahandsonlab.blob.core.windows.net/documents/PowerApps%20canvas%20app%20coding%20standards%20and%20guidelines.pdf

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v-xida-msft on at

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Hi @Anonymous,

Based on the formula that you mentioned, I think there is something wrong with it. The '[' and ']' symbol could not be used to decorate a field name within your data source in PowerApps currently.

I agree with @timl's thought almost. Currently, within PowerApps, the single quote is usually used to escape column names. If you have enabled/turned on the "Use column display names" functionality within Advanced settings of App settings of your app, you could reference the Display name of the columns of your data source within an app instead of logic names.

Please check and see if the following blog would help in your scenario:

https://powerapps.microsoft.com/en-us/blog/display-names-enters-preview-for-canvas-apps/

On your side, please modify your formula as below:

Patch( /* <-- Add new record into your data source */
GeneralHSEAudit_Mobile,
Defaults(GeneralHSEAudit_Mobile),
{
'1.4_Comments': EditScreen1.'1.4_Comments'.text,
'2.1_Plan': EditScreen1.'2.1_Plan'.Text
...
}
)

Note: The '1.4_Comments', '2.1_Plan', ... represent the Text Input box controls in your app. The '1.4_Comments', '2.1_Plan', ... represents the columns in your data source.

Patch( /* <-- Modify existing record within your data source */
GeneralHSEAudit_Mobile,
LookUp(GeneralHSEAudit_Mobile, PrimaryColumn = "XXXXXX"), /* <-- Find the existing record you want to update */
{
'1.4_Comments': EditScreen1.'1.4_Comments'.text,
'2.1_Plan': EditScreen1.'2.1_Plan'.Text
...
}
)

Best regards,

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