# Processing

Now your Device is linked to the Flow!

With a Flow you configure the way your IoT data should flow through KPN Things, from device to destination. Learn more about [flows](broken://pages/wukbFTquPEBNgfGvVN2G#flows).

## 1. Your first Flow

We have already created a first empty flow for you named *My first flow.* You can create new flows using the *Add flow* button on the top right.

<figure><img src="/files/8pZfAmhXRQWZ5fXfQLsK" alt=""><figcaption></figcaption></figure>

## 2. Link Device to Flow

Click on **Add Devices** in the Flow overview page.

<figure><img src="/files/ssXkgwhlx3vNCWtWdoWU" alt=""><figcaption></figcaption></figure>

Now you see all Devices you can add to this Flow. Click on your Device to link it to the Flow.&#x20;

<figure><img src="/files/6GJP0aV9fnKx680Gp1hL" alt=""><figcaption></figcaption></figure>

Now your Device is linked to the Flow!

## 3. Activate a Decoder

Open your Project, open your Flow, and then click **Data Processing**.

<figure><img src="/files/iirr9i0BAJ7M9JQeYroo" alt=""><figcaption></figcaption></figure>

Click on the Device type for which you want to activate a decoder (#1 in the screenshot below). At this moment you probably have only one type of device linked to the Flow, so open that one. All available decoders are now shown (#2 in the screenshot below).

Here you can toggle on and off what (decoded) data you want to receive in your application (like indicated with #3 in the screenshot below). If you want to know more about the decoder, click on the link in the description.

<figure><img src="/files/rpHoWajcXXeLn7prRJXZ" alt=""><figcaption></figcaption></figure>

Note that the "Add new Decoder" button and "Edit" button are only visibleif this is your own device type. Own Device Types and Decoders can be created using the [Things Creator app](/kpn-things/the-portal-explained/things-creator.md).


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