# Test your output data

## Overview

You can use this the **Syslog** Data Sink if you don't need to store or send your output events anywhere and you only want to test your data.

## Onum Setup

{% stepper %}
{% step %}
Log in to your Onum tenant and click **Data sinks > New Data sink**.
{% endstep %}

{% step %}
Double-click the **Syslog** Data Sink.
{% endstep %}

{% step %}
Configure it as required. Go to [this article](/the-workspace/data-sinks/data-sink-integrations/send-data-using-syslog.md) to learn more about the configuration of this Data Sink type.
{% endstep %}

{% step %}
In your Pipeline, add the configured **Syslog** Data Sink to the canvas and link it to the required Listener and Actions.
{% endstep %}

{% step %}
Now, double-click the Data Sink to open its configuration. Activate the **Passthrough** toggle and select Yes in the **Test mode** option.
{% endstep %}

{% step %}
**Save** the configuration.
{% endstep %}
{% endstepper %}

{% hint style="info" %}
You can use real or placeholder settings, both work fine in **Test mode**.
{% endhint %}


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