> ## Documentation Index > Fetch the complete documentation index at: https://docs.fusioncore.us/llms.txt > Use this file to discover all available pages before exploring further. # Adding an Opportunity Product > Use the Opportunity Products button to search for a product and add it to an Opportunity. ## Overview You add products to an Opportunity with the **Order Entry** component, which appears on an Opportunity as the **Opportunity Products** button. Each product you add creates an Opportunity product (`OpportunityLineItem`) record on the Opportunity. After adding a product, you can adjust its quantity. How many products the search returns is configurable. See [Configuring Max Number of Products in Search](/end-user-guides/orders/orders/configuring-max-number-of-products-in-search). ## How to Add a Product to an Opportunity Navigate to the **Opportunity record detail page**. At the top right, click **Opportunity Products**. Opportunity Products button at the top right of an Opportunity In the search bar, search for the product you want to add. Product search bar in the Opportunity Products component Select the product, then click **Add**. The product appears under the Opportunity details. Added product shown under the Opportunity details Under **Actions**, click **Edit** on the right side of the product. Adjust the quantity, then click **Save**. ## Limitations and Common Pitfalls * **At least one product is required to convert.** An Opportunity must have at least one product before it can be converted to an Order — converting a product-less Opportunity is blocked. * **Opportunities use the standard price book.** Pricing on an Opportunity comes from the standard price book; a non-standard price book is rejected.