Let us see an example TaskManager app using CoreData written in Swift Programming language. This app provides the following functionality Allow users to enter new task Update existing task delete task You can download source code for this project from Github. If you are familiar with user interface then move on to the Core Data implementation in Swift section Create a new File -> New -> Project and select template Single View Application Enter Product Name, Language as Swift and select “Use Core Data” for the new Project. User Interface Implementation Add new TableViewController for managing tasks Delete ViewController.swift and Add new view controller which will be used for displaying the list of tasks. Right click on the Project and select New File Choose the template as Cocoa Touch under iOS -> Source Enter name of the file as TaskManagerViewController with Subclass as UITableViewController and Language as Swift. Add new UITableViewController to the Storyboard Navigate to Main.storyboard, delete the ViewController and add new TableViewController to the Storyboard Embed this TableViewController inside a navigation controller. You can do this by clicking Editor menu -> Embed In -> Navigation Controller. Navigate to Storyboard file and select Table View Controller. Click Identity Inspector and set the Class to the TaskManagerViewController. Add button to the navigation bar Users can navigate to new task screen by tapping the button on the TaskManager. Drag and drop the button bar item to the navigation bar. In the attributes inspector, set the identifier for button bar item as Add. Also enter title as “Task Manager” in the navigation bar. #### Add View Controller for entering task detail Now to enter task detail, let us add new View Controller. From the Objects library, drag and drop View Controller on to storyboard. Then drag and drop a navigation item to this View Controller. Add a Done bar bu