This is an earlier version of the OpenSearch documentation. For the latest version, see the current documentation. For information about OpenSearch version maintenance, see Release Schedule and Maintenance Policy.
string_converter
Overview
The string_converter processor converts a string to uppercase or lowercase. You can use it as an example for developing your own processor. The following table describes the option you can use to configure the string_converter processor.
| Option | Required | Type | Description |
|---|---|---|---|
| upper_case | No | Boolean | Whether to convert to uppercase (true) or lowercase (false). |