Service Functions

// Simple user management service function
public class UserService
{
    private readonly IDataStore dataStore;
    private readonly IMessaging messaging;
    
    // Function automatically receives user context and platform interfaces
    public async Task<CreateUserResponse> CreateUser(CreateUserRequest request)
    {
        // Validate user has permission
        if (!UserContext.HasRole("admin"))
            throw new UnauthorizedException();
            
        // Create user in database
        var userId = await dataStore.Insert("users", request);
        
        // Send real-time UI update
        await messaging.Send($"ui/change/{UserContext.UserId}", 
            new { type = "user_created", userId });
            
        return new CreateUserResponse { UserId = userId, Success = true };
    }
}