elasticsearch-js/docs/reference/api/IngestSetProcessor.md

IngestSetProcessor [interface-IngestSetProcessor]

Name	Type	Description
copy_from	Field	The origin field which will be copied to field, cannot set value simultaneously. Supported data types are boolean, number, array, object, string, date, etc.
field	Field	The field to insert, upsert, or update. Supports template snippets.
ignore_empty_value	boolean	If true and value is a template snippet that evaluates to null or the empty string, the processor quietly exits without modifying the document.
media_type	string	The media type for encoding value. Applies only when value is a template snippet. Must be one of application/json, text/plain, or application/x-www-form-urlencoded.
override	boolean	If true processor will update fields with pre-existing non-null-valued field. When set to false, such fields will not be touched.
value	any	The value to be set for the field. Supports template snippets. May specify only one of value or copy_from.