Notes/Domino 4 and 5 Forum

I'd like to add an external button to write automatically a choice text on a field within a button option in the pcp error. Lotus Notes

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The user get directly a screen list where automatically choice an option or add an otion--> save it-->and add it on the field
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@If(@Elements(CorrectionID) = 0; @Return(0); "");

@If(@Elements(CorrectionTarget) = 0; @Return(0); "");

n := 1;

@DoWhile(
List := CorrectionTarget[n];

@Prompt([Ok]; "Category " + @Text(n); CorrectionID[n]);
EditField := @Prompt([OkCancelList]; "Select Field To Update"; "Select the field you wish to update:"; ""; List : "**** ADD A NEW FIELD ****");


@SetField("CorrectionID[n]";@Text(x));

n := n + 1;

n <= @Elements(CorrectionTarget)
)



but it doesn´t write on the field (:-