# Custom form field Broadcast includes the "Line item property" block, which helps you collect additional information from your customer and attach that to the product. This can be helpful when you need the customer's input and attach it to the order:

The information will be included in the order, and the customer will see it in the cart:

## Styles The block can be used for different types of input: * Text * Checkbox * Dropdown select options ### Checkbox example

### Dropdown example

### Video Overview Here's a short video to learn how to add the block and general usage: {% embed url="" %} Video walkthough {% endembed %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://broadcast.presidiocreative.com/broadcast-v5/products/product-pages/custom-form-field.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.