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Concatenate array

Description

The Concatenate Array activity merges arrays from multiple columns into a single array column. It supports retaining original columns or producing only the result column based on configuration.

Use this activity to:

  • Combine related list-type fields from multiple columns.
  • Simplify downstream processing by unifying scattered array data.
  • Retain or replace source columns based on your output needs.

Use case: You have two columns with product tags or keyword lists and want to combine them into a unified All Tags column for export or further analysis.

Input

Input TypeFormatDescription
DataRequiredTabular data containing array-type columns.

Output

Output TypeFormatDescription
DataJSONTransformed data with combined array column

Configuration Fields

Field NameDescription
Column NamesList of columns containing arrays to be concatenated.
Output ColumnName of the new column to store the resulting array.
Include OriginalIf enabled, includes all input columns in the output. If disabled, only the output column is shown.

Sample Input

IDColumn AColumn B
1[“apple”][“banana”]
2[“cat”][“dog”]
3[“red”, “blue”][“green”]

Sample Configuration

FieldValue
Column Names["Column A", "Column B"]
Output ColumnConcatenated Array
Include Originaltrue

Sample Output 1 (Include Original = true)

IDColumn AColumn BConcatenated Array
1[“apple”][“banana”][“apple”, “banana”]
2[“cat”][“dog”][“cat”, “dog”]
3[“red”, “blue”][“green”][“red”, “blue”, “green”]

Sample Output 2 (Include Original = false)

Concatenated Array
[“apple”, “banana”]
[“cat”, “dog”]
[“red”, “blue”, “green”]