Where do I type my verification code

Usually there is a text box shown for entering entering verification code.

If that is not available enter the code following password in the password entry box.

minali231 wrote:

When I have to authorize my macbook pro it sends a verification code on my iphone and where do I type the verification code

Get a verification code and sign in with two-factor ...

Two-factor authentication for Apple ID - Apple Support

Manage two-factor authentication from iPhone - Apple Support

Security and your Apple ID - Apple Support