Turbo Tax is not providing me option to file Form 8812 for the Pending Child Tax Credit amount. My tax return is similar 2 last yr How do I verify CTC $1800 is added?

In January 2022, the IRS will send you Letter 6419 to provide the total amount of Advance Child Tax Credit payments that were disbursed to you during 2021.  You and your spouse will each receive your own letter with the total you each received.

The amount of Advance Child Tax Credit payments will be entered at the screen Tell us about any Advance Child Tax Credits.

TurboTax software will compare the credit, deduct the advance payments and post a Child Tax Credit on line 28 of the Federal 1040.

You may view the entry on the Federal 1040 under Tax Tools / Tools / View Tax Summary / Preview my 1040.

You may view the completed Federal 8812 Tax tools / Print Center.

See also this TurboTax Help.