# copyField

The `copyField` method copies a field value to a new field. If the target field already exists it is overwritten.

## Syntax

    copyField ( sourcename, targetname [, case] )

## Arguments

Argument | Description
--- | ---
`sourcename` | (string) The name of the field to copy.
`targetname` | (string) The destination field name.
`case` | (boolean) A boolean that specifies whether `sourcename` is case-sensitive. The field name is case sensitive by default (`true`).

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