To find this information in TurboTax after you have filed your return, select Review, then Bottom Line (Tax Summaries) from the bottom of the left side menu. At the bottom of the “Let's Review Your Numbers” page, you’ll find an estimate of the amount of Canada Child Benefit (CCB) that you will get as well as a link to the payment schedule.
You can also see the CCB amount using the Canada Revenue Agency’s (CRA) My Account service. This CRA page has information about the CCB schedule: Canada Child Benefit - Payment Dates