NiFi Ingest 26.3
NiFi Ingest

# getFieldNames

The `getFieldNames` method returns all of the field names for the document.

## Syntax

    getFieldNames()

## Returns

(Strings) The names of the fields. To map the return values to a table, surround the function call with braces. For example:

    names = { document:getFieldNames() }

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery NiFi Ingest 26.3

Topic Title: getFieldNames