Microsoft.Azure.Commands.Resources.Models.ActiveDirectory.ActiveDirectoryClient.CreateServicePrincipal C# (CSharp) Method

        public PSADServicePrincipal CreateServicePrincipal(CreatePSServicePrincipalParameters createParameters)
        {
            IList<PasswordCredential> passwordCredentials = createParameters.PasswordCredentials != null
                ? createParameters.PasswordCredentials.Select(psCredential => psCredential.ToGraphPasswordCredential()).ToList()
                : null;

            IList<KeyCredential> keyCredentials = createParameters.KeyCredentials != null
                ? createParameters.KeyCredentials.Select(psCredential => psCredential.ToGraphKeyCredential()).ToList()
                : null;

            ServicePrincipalCreateParameters graphParameters = new ServicePrincipalCreateParameters
            {
                AppId = createParameters.ApplicationId.ToString(),
                AccountEnabled = createParameters.AccountEnabled,
                KeyCredentials = keyCredentials,
                PasswordCredentials = passwordCredentials
            };

            try
            {
                return GraphClient.ServicePrincipals.Create(graphParameters).ToPSADServicePrincipal();
            }
            catch (GraphErrorException ce)
            {
                if (ce.Response.StatusCode == HttpStatusCode.Forbidden)
                {
                    AADObject currentUser = GraphClient.Objects.GetCurrentUser();
                    if (currentUser != null && string.Equals(currentUser.UserType, "Guest", StringComparison.InvariantCultureIgnoreCase))
                    {
                        throw new InvalidOperationException(ProjectResources.CreateServicePrincipalNotAllowedGuestUser);
                    }
                }

                throw;
            }
        }