How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)?

Here I will show how to configure iOS application for Admob. To get the Ad unit ID from AdMob you need only a few simple steps:
1.) Log in or sign up https://apps.admob.com
2.) Click -> Apps
How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)
3.) Here I chose option (2), because my application was not published in the Apple Store
How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)
4.) Enter "App Name", Select iOS (radio button) and Click -> Add
How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)
5.) Click -> CREATE AD UNIT
How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)
6.) Select -> Banner
How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)
7.) Enter "Ad unit name" and Click -> CREATE AD UNIT
How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)
8.) Copy "Ad unit id" and Click -> DONE
How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)
9.) Paste you "Ad unit id" to file "TabBarController.swift" (see screenshot)
How to create AdMob Banner and Get banner_ad_unit_id from AdMob (iOS App)