A key-value pair that identifies how log groups are grouped in aggregate summaries.
The key that identifies the grouping characteristic. The format of the key uses dot notation. Examples are, dataSource.Name, dataSource.Type, and dataSource.Format.
dataSource.Name
dataSource.Type
dataSource.Format
The value associated with the grouping characteristic. Examples are amazon_vpc, flow, and OCSF.
amazon_vpc
flow
OCSF