Hello everyone. Long time i try to solve this issue, but cannot figure it out so far. Read a lot of posts here, internet, youtube... etc.
I have SP List and from that list I create collection CBCOLLECTFIN like drop some unused fields.
SPList:

After creating some variables, executing CSVEXPORTFIN.Run power automate flow:
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Set(varDroppedColumn,DropColumns(CBCOLLECTFIN,"Account","Author","AutoNumber","ComplianceAssetId","DDS","EGN","Editor","Invoice","Product","Invoice_Billing","{Path}","{FilenameWithExtension}","{FullPath}","{Identifier}","{IsFolder}","{Link}","{ModerationComment}","{Name}","{Thumbnail}","{TriggerWindowEndToken}","{VersionNumber}","{ModerationStatus}","{TriggerWindowStartToken}"));
Set(varFormattedJSON,JSON(varDroppedColumn,JSONFormat.IndentFour));
CSVEXPORTFIN.Run(varFormattedJSON)
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Power automate flow CSVEXPORTFIN:

Third step in the flow is Create CSV table:

This flow is working, but the headers in CSV file is in alphabetical order. I want different order. Probably, I have to use CUSTOM columns, but I don't know how to approach VALUES dynamically. I know, that collection in powerapps has build-in behavior of alphabetical order creation, regardless SPList columns order.

Can you help?