Community Component 26.3
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# hasField

The `hasField` method checks to see if a field exists in the current document.

## Syntax

    hasField ( fieldname [, case])

## Arguments

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

## Returns

(Boolean). `True` if the field exists, `false` otherwise.

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery Community Component 26.3

Topic Title: hasField