It's good to know you already have your part numbers in your Products & Services, LegacyWater. Nevertheless, setting up specific part digits for your vendors is currently unavailable in QuickBooks Online (QBO).
When creating a Purchase Order (PO), you need to manually select an item that you wish to buy. Thus, assigning a unique code for your vendors so you can automatically create a transaction without emailing them to place an order is currently unavailable.
As a workaround, you can enter the part numbers in the Notes field. However, please be aware that this is for documentation purposes only.
On the other hand, you can explore the available third-party apps in QBO if you wish to automate and streamline your purchasing process.
Kindly follow these steps:
- Go to the Apps menu from the left navigational panel.
- Click the Find Apps.
- Enter the name of your preferred application or click the Browse categories.
- Follow the on-screen process.
You can refer to this blog to learn more about Stock Keeping Unit SKU: How to create SKU numbers.
Please let me know if you need additional questions, legacywater. I'll be here to assist you further.