Let me route you to the appropriate support that can help you with the unique Line ID when running the General Ledger through the Application Program Interface (API), Henry.
We recommend posting this question to our separate online forum called Intuit Developer Community. One of the experts handling the API will assist you with this one. Here's how to post your concern:
- Go to this link: https://help.developer.intuit.com/s/.
- Choose QuickBooks Online under What do you need help with?
- Click Ask a Question.
- Log into your existing Intuit Developer Account or create a new one.
- Enter your concern.
- Press Ask.
You can also utilize the API Docs & Tools and Blog menu on the Intuit Developer's page. From there, you can check out the latest feature added to the application.
Moreover, refer to these articles on how to customize reports in QuickBooks Online:
You can always click the Reply button if you need help with managing reports or any QuickBooks-related. We will always be here in the Community to help.