How to type a text into a text field?

How to type a text into a text field?

For Example i have a login screen design, in that i have to enter a user id and password and then the sign in button should be active from disable state.

Honestly, it’s a lot more work than it’s worth. At this point, Figma is more mockup software than it is prototyping software. To represent a filled input field, just create one screen without text and one screen with filled-in fields and connect them.

The other option is to recreate something like this, but it only works with monospace fonts: