Hello I am Steve Pine. I am a Quickbook Support executive and a freelancer . If you face any issues please contact us. One possible way to use the QuickBooks OneSaas integration is to first ensure that both systems are properly set up and connected. Then, determine which data you want to sync between the two platforms, such as invoices, payments, or customer information. Configure the integration settings to match your business needs, and ensure that any necessary mappings or filters are in place. Regularly review and monitor the integration to ensure that data is syncing correctly and troubleshoot any issues as needed.