Upselling

This article is for Broadcast v3. For earlier versions of Broadcast, click here​
With Broadcast, you can suggest a pairing product on any of your Product pages. This allows the customer to purchase two separate products within one product page. 
Two upsell opportunities
One - Broadcast can suggest a product to pair with. The customer can choose the upsell product from the Cart after adding the primary product.
Paired with product appears as an option in the cart
Two - Customer can add the upsell product to the Cart directly from the main product page and also add the primary product to Cart.
How to:
There are two steps involved with setting up upselling:
1.Add the Upsell theme block to the default product template
2.Tag your product with a custom upsell tag to pair/link with another product
1. Add the Upsell theme block to the default product template
Position the upsell promotion
Use drag-and-drop to position the upsell theme block on your product page:
2. Tag your product with a custom upsell tag to pair with another product
To pair a product with another, you simply add a tag to the main product with a custom tag. The tag links to the upsell product or links directly to a variant of the upsell product.
Here's an example of a primary product called Carnation. We'll add the custom upsell tag here. This tells Broadcast that when a customer is viewing the Carnation product, to suggest an upsell product as well. The upsell product is the custom tag (Radiance):
Custom _upsell_radiance tag added
We simply add a tag called _upsell_radiance to Carnation which implies that Radiance is the product we want to promote on the Carnation page
Creating upsell tags
There are three parts to creating your custom upsell tags:
1.The first part of the tag must start with _upsell_
2.The second part of the tag must match the product handle of the upsell item
3.The last part is the variant id if your product has variants. This is only required for products with variants. 
Example of a completed tag without variants: _upsell_radiance
Variants
Broadcast can suggest more than just an upsell product, Broadcast can suggest an exact variant of a product to upsell. This is can be helpful if you're trying to upsell a certain color, size, or weight of the product.
Example of completed tag for a product that has variants: _upsell_amaranth_39284826538048
Finding the product handle
All Shopify products have a unique product handle. You can easily find the product handle in the main Shopify Admin under Products. Choose any product in your Shopify Admin for Products, then simply used the Edit website SEO link to view details about that product including the handle:
Product handle is: radiance
Use that product handle with the prefix of _upsell_ to make your upsell tag = _upsell_radiance
If your product has variants, simply add the variant id to the end of the custom upsell tag prefixed with an underscore. Example:
_upsell_handle_variantid
Finding the product variant id
All Shopify products with variants have a unique ID number associated with the product. To find the variant id, browse to the product your Shopify Product Admin, choose the Edit button next to the desired variant and find the variant id at the end of your browser URL address:
Variant ID is the last number in your browser's address bar
Let's put that all together:
In this example, we'll upsell a different product called, Amaranth. This product has variants. To make our correct custom upsell tag, we'll need:
1.Upsell tag prefix which is always: _upsell_
2.We'll need the product handle 
3.Lastly, the variant id for the variant we will be upselling
First, we'll get the product handle:
Product handle is found under Edit website SEO at the bottom
The product handle is amaranth
Great, 
Now let's get the variant id:
The variant id is: 39284826538048
Perfect, we now have everything we need to create our upsell tag:
_upsell_amaranth_39284826538048
Finally, let's add this to our primary product called Carnation product so we can upsell the Amaranth two-pack variant:
We can now view the product page for Carnation and see the upsell promotion:
Amaranth Two pack variant is promoted as the upsell option
Demo of adding both products to the cart:
Correct variant option is added to cart
Remember, only products with one or more variants require the variant id in the upsell tag. If your product has no variants like our Radiance example, you only need the prefix and handle
Cart upsell promotions are only supported when Cart Drawer is enabled in the Theme Settings. 
Stacking upsell promotions
In the Cart, Broadcast can stack upsell promotions. If the upsell product itself has an upsell tag to another product, Broadcast will promote both in the cart if the buyer adds the first upsell item. 
Example:
The primary product is Carnation. Carnation has an upsell product called Amaranth. Amaranth also has an upsell product called Radiance. 
Stacked upsell promotions