# Product Attachment
A button that downloads or opens a file linked from a product field — spec sheets, datasheets, manuals, certificates, anywhere a product has an attachment URL stored on its record.
The button reads any field on the product that contains a URL (standard fields like description, or custom fields you've added in NetSuite for attachments). When the user clicks, the file downloads with a sensible filename, or opens in a new tab if you've configured it that way.
## Available in
* Catalog modules
* Order Form modules
## When to use
* Product detail pages where you want a *Download Spec Sheet* or *View Datasheet* button.
* B2B catalogs with rich product documentation (PDFs, technical drawings, certifications).
* Product cards inside a Catalog Display slot to surface a quick-access file link.
For static images, use **Product Image** instead. For copy-to-clipboard text behaviour, use **Product Field Copy** (a small variant of Product Field).
## What it depends on
The **Attachment Field** picker only lists fields that are mapped in the catalog's **NetSuite Fields** section. If the custom field holding your attachment URL isn't in that list, add it there first: **Catalogs** → open the catalog → **NetSuite Fields** → **+ Add Field** → pick the field → Save & Update. It will then appear in the Attachment Field dropdown for this block.
## Settings
| Setting | Description |
| --------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **Attachment Field** | The product field that holds the file URL. Pick from standard fields (Product Name, Item ID, Description) or any custom field mapped in the catalog's NetSuite Fields section. |
| **Link Label** | The button label users see (e.g. *Download Spec Sheet*). |
| **Download Filename** | Override the auto-generated filename. Leave blank to use *-* as the filename. |
| **Use Matrix Child** | For matrix parent products, use the selected child variant's field instead of the parent's. *true* / *false*. |
| **Open in New Tab** | Open the file in a new browser tab instead of downloading. *true* / *false*. |
## How it works
1. Reads the configured field from the current product (or the selected matrix child if *Use Matrix Child* is on).
2. If the value is a valid URL, renders a button labelled with **Link Label**.
3. On click, either downloads the file (cross-origin URLs are fetched and saved client-side) or opens the URL in a new tab, depending on **Open in New Tab**.
4. If the field is empty or not a valid URL, the block doesn't render — keeping the page clean.
## Examples
**Spec sheet button.** Field: *custitem\_spec\_sheet\_url*, Link Label: *Download Spec Sheet*, Open in New Tab: false. Renders a download button for any product that has a spec-sheet URL.
**Open in new tab.** For HTML datasheets that look better in a browser than downloaded, set *Open in New Tab* to true and Link Label to *View Datasheet*.
## Related
Product Field
Display any product field as inline text or styled output.
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