---
title: Combination Processor
slug: litmusedge-v2/combination-processor
docTags: 
createdAt: 2024-08-06T19:34:28.009Z
---

The **Combination **processor is used to combine fields from different input processors into a single JSON string.

# Combination Processor Overview

- This Processor can be used to combine fields from different input processors, into a single JSON string.
- A definition is needed to be added on the connecting wire after creating this processor.
- The fields to combined, will need to be defined as **wire definition**\_**fieldName.**

# Combination Processor Parameters

| **Parameters**          | **Details**                                                                                                                                        |
| ----------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------- |
| Combination Type        | This parameter allows you to choose between combining selected fields or combining all fields from the different input processors.                 |
| What Timestamp to Take? | Use this parameter to select the timestamp from a specific input processor to be included in the combined output.                                  |
| Fields to Combine       | In this parameter, you need to enter the fields that you want to combine into a single JSON string, separated by commas.                           |
| Pass Through Value      | This parameter enables you to specify how anomalous data should be handled, such as replacing the current value with an anomaly field if detected. |

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/jZ3tTiwMGHSn_DF7KN8C1_image.png" size="80" width="960" height="670" caption="Combination Processor parameters" position="center" showCaption="true"}

:::hint{type="info"}
**Note: **When creating an analytics flow with *Combination Processor*, refer the [Use the Combination Processor Function](docId\:R3zNvlk_c6TV_paWK2Dr7) guide for more details.
:::