how to get text from button swift code example

Example 1: swift change button text

button.setTitle("Button Title",for: .normal)

Example 2: swift compare string to button title

if myButton.currentTitle == "myString" {
  // Do something
}

Example 3: How to set back button text in Swift

let backButton = UIBarButtonItem()

backButton.title = "name"

self.navigationController?.navigationBar.topItem?.backBarButtonItem = backButton