control-flow-append-variable-activity.md

title	description	services	documentationcenter	author	manager	editor	ms.service	ms.workload	ms.tgt_pltfrm	ms.devlang	ms.topic	ms.date	ms.author
Append Variable Activity in Azure Data Factory | Microsoft Docs	Learn how to set the Append Variable activity to add a value to an existing array variable defined in a Data Factory pipeline	data-factory		douglaslMS	craigg		data-factory	data-services	na	na	conceptual	10/09/2018	douglasl

Append Variable Activity in Azure Data Factory

Use the Append Variable activity to add a value to an existing array variable defined in a Data Factory pipeline.

Type properties

Property	Description	Required
name	Name of the activity in pipeline	Yes
description	Text describing what the activity does	no
type	Activity Type is AppendVariable	yes
value	String literal or expression object value used to append into specified variable	yes
variableName	Name of the variable that will be modified by activity, the variable must be of type ‘Array’	yes

Next steps

Learn about a related control flow activity supported by Data Factory:

• Set Variable Activity