# Setting up the action in your first zap (generate multiple creatives)

### **Generate multiple size variations of a design set**

You can use this action to generate as many creatives of multiple sizes as you want by using a set of designs in your The Brief account as a template in Zapier. That means you can automatically generate variations of a design set. 

Set your initial trigger - whatever you wish to trigger the generation of the multiple-size creatives - and select **Generate creative in The Brief** as an action in your zap. Fill in all the required fields step by step.

<figure><img src="/files/s80jaZPbEZGFKqT702mY" alt=""><figcaption></figcaption></figure>

* **The template hash field** is where you'll find listed all the design sets you have access to in The Brief. You have to select the design set you want to use as a template for your new creatives.&#x20;

{% hint style="info" %}
You can use only the design sets you have access to. If you want to use one of the The Brief set templates, duplicate it into one of your folders.&#x20;
{% endhint %}

* **The type of export field** refers to the kind of file you want to receive at the end once the creatives are generated. You can now select JPG, PNG, GIF, animated GIF, and MP4. We'll expand this list soon.&#x20;
* **The zap webhook URL field** sets a trigger for the following action. We'll explain these triggers in detail later on. They allow you to automate what to do with the generated creatives - you can send them to your email inbox or cloud storage.&#x20;

  Choose **Zap Webhook URL** if you know how to use webhooks and want more freedom; otherwise, choose **Creative generated trigger**.&#x20;

After you select the template set you want to use, all the elements in the template will be listed as fields you can fill in. These are the details of your new designs - so fill in the fields with the details you want to include in your new creatives. You can pull these details from a spreadsheet or another app, depending on where you store them. So, map the fields to the correct source of information.&#x20;

<figure><img src="/files/rfgiHO0KfnMa1p2jrvO5" alt=""><figcaption></figcaption></figure>

Once you're done setting up the fields, you can test the action and verify if it worked well through the message you receive. You'll receive a success message in Zapier if it works well. You can also check the details of every action and trigger on the Zap history page.&#x20;

Next, we'll look at what you can do with the generated creatives - whether it's 1 design or more.&#x20;


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