How to send api key in Header @ Postman?

Question

Iam trying to send Api Key in Header instead of Url .

When I tried to send Key with api it works good in Following way:-

http://api.mydomain.com?key=dsjfh

Screen Follows :-

Is it Possible to send Key as Header ?

I tried something like this which is not working.

Answer 1

I'll be sharing what worked with me.

Go to Authorization, choose as the type API Key, enter the Key and Value.

For me the key was Authorization and the value was Basic X where the X is the said key.