EnrichmentSource

The enrichment source that an enrichment is from. For source that comes from external and does not have a log type, for example, GEO_IP_SERVICE, the ExternalEnrichmentSource field should be set.

JSON representation 
{

  // Union field source can be only one of the following:
  "logType": string,
  "externalEnrichmentSource": enum (ExternalEnrichmentSource)
  // End of list of possible types for union field source.
}
Fields
Union field source. The source of an enrichment can be either a log type or an external enrichment source that does not have a log type. source can be only one of the following:
logType

string

Required. Raw LogType of an enrichment source. Format: projects/{project}/locations/{location}/instances/{instance}/logTypes/{logType}
externalEnrichmentSource

enum (ExternalEnrichmentSource)

Required. Represents an enrichment source from external that does not have a log type. For example, GEO_IP_SERVICE for enrichment from the GeoIP service.