# Select YMM values manually
✨This guide will help you manually choose the search values used in your YMM form, whether you're using **Product Tags** or **Metafields** as your data source.
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### ⚡️1. Go to the YMM Section
From your app's left sidebar, click on **Year Make Model.**
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### ⚡️2. Select Your Data Source
Each YMM field (Year, Make, Model) is linked to a data source.
1. Click the **Edit** button next to the field you want to manage.
2. Under the **Values** section, select the **Manual Selection** option.
3. Choose the needed values in the **All Values** column.
4. Click the **Add** button to add these values to the **Selected Values** column.
5. Click **Save** to complete.
6. Repeat for the other two fields (Make and Model).
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### ⚡️3. Save Your Form
After configuring all three dropdowns, click **Save** to complete your YMM form setup.
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### 🙌 You’re Done!
Your YMM filter will now use the correct values for each field. You can update or change these values anytime in this section.
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## 💬 Need Help?
Not sure how to define your metafields or can’t find the right setting? Reach out to us at **** — we’re here to assist you.
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