GKMatch is a framework provided by Apple that enables multiplayer gaming capabilities in iOS, macOS, and tvOS applications. It allows developers to create real-time, turn-based, or peer-to-peer multiplayer experiences for their users. This framework is essential for developers who want to add multiplayer functionality to their games or apps.

To align GKMatch with the Apple environment, developers can leverage the GameKit framework, which provides the necessary classes and methods for implementing multiplayer features. The GameKit framework is available for iOS, macOS, and tvOS platforms, ensuring cross-platform compatibility.

Examples:

1. Creating a GKMatch instance:

   
   import GameKit

let match = GKMatch()

2. Finding and joining a match:
```swift
GKMatchmaker.shared().findMatch(for: matchRequest) { (match, error) in
    guard let match = match else {
        print("Failed to find match: \(error?.localizedDescription ?? "")")
        return
    }

    // Join the match and start the game
}

3. Sending data to other players in the match:

   let data = "Hello, other players!".data(using: .utf8)!
   match.sendData(toAllPlayers: data, with: .reliable)

4. Handling received data:

   func match(_ match: GKMatch, didReceive data: Data, fromRemotePlayer player: GKPlayer) {
   if let message = String(data: data, encoding: .utf8) {
       print("Received message: \(message)")
   }
   }

Note: The examples provided are written in Swift, the programming language used for Apple platforms. Developers can use Xcode, Apple's integrated development environment, to write and test their GKMatch implementations.