Hadoop Connector 25.1
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# countField

The `countField` method returns the number of sub fields that exist with the specified name.

## Syntax

    countField ( fieldname [, case])

## Arguments

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

## Returns

(Number). The number of sub fields that exist with the specified name.

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Version 25.1 | Last updated January 2025

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Product: Knowledge Discovery Hadoop Connector 25.1

Topic Title: countField