# copyField

The `copyField` method copies a sub field to another sub field. If the target sub field exists it is overwritten.

## Syntax

    copyField ( from, to [, case])

## Arguments

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

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