How to correctly format the info for CSVFormat(query [, qualifer] [, columns]) UDF to get a output

Expert Needed.
This UDF is CSVFormat(query [, qualifer] [, columns])
How do I transalte that to my
query=MyQ  - no qualifier, [ headernames],[collumns])
<cfoutput>#CSVFormat(MyQ,"",[FirstName,LastNAme],[FirstName,LastNAme])#</cfoutput>

I get this:
Missing argument name.  
When using named parameters to a function, every parameter must have a name.
The CFML compiler was processing:

An expression beginning with CSVFormat, on line 100, column 12.This message is usually caused by a problem in the expressions structure.
The body of a cfoutput tag beginning on line 100, column 2.
The body of a cfoutput tag beginning on line 100, column 2.
The body of a cfoutput tag beginning on line 100, column 2.
 

<cfoutput>#CSVFormat(MyQ,"",[FirstName,LastNAme],[FirstName,LastNAme])#</cfoutput>

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