Generate an ID for an event
Stack
The add_id processor generates a unique ID for an event.
processors:
  - add_id: ~
		
	The following settings are supported:
target_field- (Optional) Field where the generated ID will be stored. Default is 
@metadata._id. type- 
(Optional) Type of ID to generate. Currently only
elasticsearchis supported and is the default. Theelasticsearchtype generates IDs using the same algorithm that Elasticsearch uses for auto-generating document IDs.