how to have string in enums in ts code example

Example 1: enum in ts

enum Direction {
    Up,
    Down,
    Left,
    Right,
}

Example 2: declare enum in type script

enum PrintMedia {
  Newspaper = 1,
  Newsletter,
  Magazine,
  Book
}

Example 3: ts enum

enum Response {
    No = 0,
    Yes = 1,
}

function respond(recipient: string, message: Response): void {
    // ...
}

respond("Princess Caroline", Response.Yes)