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layout: section title: “GroupByKey” permalink: /documentation/transforms/python/aggregation/groupbykey/ section_menu: section-menu/documentation.html

GroupByKey

See more information in the [Beam Programming Guide]({{ site.baseurl }}/documentation/programming-guide/#groupbykey).

Examples

See BEAM-7390 for updates.

Related transforms

• [CombineGlobally]({{ site.baseurl }}/documentation/transforms/python/aggregation/combineglobally) for combining all values associated with a key to a single result.
• [CoGroupByKey]({{ site.baseurl }}/documentation/transforms/python/aggregation/cogroupbykey) for multiple input collections.