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# How to use Custom Discount Builder on Kite

${youtube}[How to use Custom Discount Builder](2TpZy8IDqSk)
This guide explains how to use the **Custom Discount Builder** to create a single campaign that contains multiple, independent discount rules under one promotion name.

### 1. Start Your Campaign

1. In the Kite app, select the **Custom Discount Builder**.
2. Give your campaign a name (e.g., `custom-discount-test`).
3. Choose your method: **Automatic** or **Discount code**.

### 2. Configure Your First Discount Option

Each set of rules within the builder is called an "option".
1. Give this first option a unique title (e.g., `Option 1 CDB`). This is the message customers will see when this specific discount is applied.
2. Set the **Eligibility Rules** for this option (e.g., "Cart subtotal is at least `₹100`").
3. Define the **Discountable Products** for this option (e.g., items from the "Hydrogen Collection").
4. Set the discount value (e.g., `10%` off).

### 3. Add and Configure a Second Discount Option

1. Click the button to add a new option to the campaign.
2. Give this second option its own title (e.g., `Option 2 CDB`).
3. Set its unique **Eligibility Rules** (e.g., "Cart subtotal is at least `₹200`").
4. Define its unique **Discountable Products** (e.g., items from the "Oxygen Collection").
5. Set its discount value (e.g., `20%` off).

### 4. Add Global Settings (Optional)

You can add extra eligibility rules that apply to the *entire campaign* (all options). For example, you can limit the promotion to a specific market by adding a rule like "Market code is IN" for India.

### 5. Save and Test

1. Click **Save**.
2. Go to your online store to test each rule independently:
    * **Test Option 1:** Add a product from the "Hydrogen Collection" with a subtotal over `₹100` to your cart. Verify that the 10% discount is applied.
    * **Test Option 2:** Clear the cart, then add a product from the "Oxygen Collection" with a subtotal over `₹200`. Verify that the 20% discount is applied.