Welcome to the Community, Kalingagayan.
Are you trying to record transactions related to receipts and payments in terms of Cash only? Do you need to set up a cash account, record cash journal entries or access your cash book? Any details you can provide can help us better provide the right resolution to your concern.
We'll be adding this article to help you add transactions directly to an account register: Manually add transactions to account registers in QuickBooks Online.
We'll keep an eye out for your reply and if you have any other QuickBooks-related concerns, please leave a comment below. We'll be here to answer them. You have a good one, Kalingagayan.