Distributed Action Handler 26.1
Distributed Action Handler Help

# EMPTY

The `EMPTY` field specifier (case sensitive) allows you to find documents in which a specified field doesn't exist or contains no value.

NOTE: You can optimize the field specifier speed by restricting the field to the `NumericType` property type.

## Format

    FieldText=EMPTY{}:yourFields

`yourFields` | One or more fields. A document returns only if it does not contain any of these fields or if these fields are empty. Separate multiple fields with colons (`:`). There must be no space before or after a colon.

## Example

    FieldText=EMPTY{}:ID

A document returns if it does not contain an `ID` field or if the `ID` field is empty.

    FieldText=EMPTY{}:ID:Name

A document returns if it does not contain an `ID` or `Name` field, or if the `ID` and `Name` field are empty.

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Version 26.1 | Last updated January 2026

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Product: Knowledge Discovery Distributed Action Handler 26.1

Topic Title: EMPTY