NiFi Ingest 26.3
NiFi Ingest

# value

The `value` method gets the value, if the JSON value is a simple type (a Boolean, float, integer, or string). This method returns a default value if one is specified and the value cannot be converted to the same type as the default.

## Syntax

    value( [default] )

## Arguments

Argument | Description
--- | ---
`default` | (lua_json_simple_type) The default value to return, if the value cannot be converted to the same type as the default. You can specify a Boolean, float, integer, string, or nil.

## Returns

(lua_json_simple_type). A Boolean, float, integer, string, or nil.

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery NiFi Ingest 26.3

Topic Title: value