Document Details

// Create the email content
var emailContent = new EmailContent("Welcome to Azure Communication Service Email APIs.")
{
    PlainText = "This email message is sent from Azure Communication Service Email.",
    Html = "<html><body><h1>Quick send email test</h1><br/><h4>This email message is sent from Azure Communication Service Email.</h4><p>This mail was sent using .NET SDK!!</p></body></html>"
};

// Create the EmailMessage
var emailMessage = new EmailMessage(
    senderAddress: "donotreply@xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.azurecomm.net", // The email address of the domain registered with the Communication Services resource
    recipientAddress: "emailalias@contoso.com",
    content: emailContent);

// Create the EmailAttachment
var filePath = "C:\Users\Documents\attachment.pdf";
byte[] bytes = File.ReadAllBytes(filePath);
var contentBinaryData = new BinaryData(bytes);
var emailAttachment = new EmailAttachment("attachment.pdf", MediaTypeNames.Application.Pdf, contentBinaryData);

emailMessage.Attachments.Add(emailAttachment);

try
{
    EmailSendOperation emailSendOperation = emailClient.Send(WaitUntil.Completed, emailMessage);
    Console.WriteLine($"Email Sent. Status = {emailSendOperation.Value.Status}");

    /// Get the OperationId so that it can be used for tracking the message for troubleshooting
    string operationId = emailSendOperation.Id;
    Console.WriteLine($"Email operation id = {operationId}");
}
catch (RequestFailedException ex)
{
    /// OperationID is contained in the exception message and can be used for troubleshooting purposes
    Console.WriteLine($"Email send operation failed with error code: {ex.ErrorCode}, message: {ex.Message}");
}