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:documentationPath: /pipeline/transforms/
:language: en_US
:description: The Beam Bigtable Output transform can be used to write data to a Google Cloud Bigtable table using the Beam execution engine.

= image:transforms/icons/beam-gcp-bigtable-output.svg[Beam BigTable Output Icon, role="image-doc-icon"] Beam Bigtable Output

[%noheader,cols="3a,1a", role="table-no-borders" ]
|===
|
== Description

The Beam Bigtable Output transform can be used to write data to a link:https://cloud.google.com/bigtable[Google Cloud Bigtable] table using the Beam execution engine.

|
== Supported Engines
[%noheader,cols="2,1a",frame=none, role="table-supported-engines"]
!===
!Hop Engine! image:cross.svg[Not Supported, 24]
!Spark! image:check_mark.svg[Supported, 24]
!Flink! image:check_mark.svg[Supported, 24]
!Dataflow! image:check_mark.svg[Supported, 24]
!===
|===


== Options

[options="header"]
|===
|Option|Description
|Transform name|Name of the transform, this name has to be unique in a single pipeline.
|Project ID|The Google Cloud project.
|Instance ID|The Bigtable instance ID.
|Table ID|The Bigtable ID.
|Key field|the field to use as the Bigtable table row key
|Columns to set: a|a list of the columns to write to the Bigtable table:

* name: the name (qualifier) for this column
* family: the family name for this column
* source field: the pipeline field to use for the column's values

|===