Microsoft-Dynamics-365-Server-2-Server-Authentication-Access-Token.cs

Microsoft-Dynamics-365-Server-2-Server-Authentication-Access-Token.cs

/// Required-Namespaces
using Microsoft.IdentityModel.Clients.ActiveDirectory;
using System.Threading.Tasks;

/// Method-to-generate-Access-Token
public static async Task<string> AccessTokenGenerator()
{
    string clientId = "Azure AD App Id";
    string clientSecret = "Client Secret Generated for App";
    string authority = "https://login.microsoftonline.com/< your app tenant guid >";
    string resourceUrl = "https://< your D365 org>.< crm instance location e.g crm, crm8 >.dynamics.com"; // Org URL

    ClientCredential credentials = new ClientCredential(clientId, clientSecret);
    var authContext = new Microsoft.IdentityModel.Clients.ActiveDirectory.AuthenticationContext(authority);
    var result = await authContext.AcquireTokenAsync(resourceUrl, credentials);
    return result.AccessToken;
}