How to add configurations to Xcode?

Question

There are no other way, I search a lot. In XCode 3 this is easy, but now..

In the screen above, I have the Build Configuration, so I can chose if I

Answer 1

You don't need it.

Make sure you check the following list before you Archive:

• In Edit Scheme: Select Release as Build Configuration for Archive,

• In Project Build Setting: Set Entitlements.plist and your Distribution code signing for Release scheme,

• In Entitlements.plist: Set No to ‘can be debugged’.

Then archive and share with your ad-hoc provisioning or submit with distribution provisioning.

Hope this is a comprehensive checklist.

EDIT:

to duplicate an existing configuration: