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Lowercase Processor

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Lowercase Processor

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Converts a string to its lowercase equivalent.

Table 25. Lowercase Options

Name	Required	Default	Description
`field`	yes	-	The field to make lowercase
`target_field`	no	`field`	The field to assign the converted value to, by default `field` is updated in-place
`ignore_missing`	no	`false`	If `true` and `field` does not exist or is `null`, the processor quietly exits without modifying the document

{
  "lowercase": {
    "field": "foo"
  }
}

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