How export from unity to .ipa

So. i create a game by unity 3d with xcode 3.1.3 . anh when build setting . i choose iphone SDK 3.1.3 device . and build …finish . I have a packet any files . I checked fie (.xcode ) and xcode run . but in here ,I dont know . I can export game to .ipa . becouse , from .ipa file i can used itunes install it .

With Xcode “Build and Archive” you should be able to generate .ipa file.
But usually i build .app and use external Provisioning Profiles for iTunes or iPhone Configuration Utility.

You can use .app with iTunes, just drag the Provisioning with it

Use “Build and Archive” then go to the organizer window and you will see it in the bar on the left. Click it, and then hit the “Share” button. Select your provisioning profile and then hit “Save to Disk”