from tnzapi import TNZAPI

client = TNZAPI(
    Sender="YOUR_EMAIL_ADDRESS",
    APIKey="YOUR_API_KEY",
)

request = client.Send.Email()

request.MessageID   = "ID12345"             # Your custom MessageID
request.Reference   = "Test Email - Advanced version"

request.SMTPFrom    = "email@test.com"      # Sender SMTP From Address
request.From        = "Test Email"          # Sender Email Name
request.FromEmail   = "from@test.com"       # Sender Email Address
request.ReplyTo     = "reply@test.com"      # Set Reply To

request.EmailSubject    = "Test Email"
request.MessagePlain    = "Test Email Body"
request.MessageHTML     = "&lt;html&gt;&lt;body&gt;&lt;p&gt;This is &lt;b&gt;Test message body&lt;/b&gt;. Thank you so much!&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;"

request.Recipients      = [
    {
        "Recipient": "email1@test.com",     # Recipient Email Address
        "Company": "Test Company",          # Company Name
        "Attention": "Test Recipient",      # Attention
        "Custom1": "Custom1",               # Custom Field
        "Custom2": "Custom2",
        "Custom3": "Custom3",
        "Custom4": "Custom4",
        "Custom5": "Custom5"
    },
    {
        "Recipient": "email2@test.com",     # Recipient Email Address
        "Company": "Test Company 2",        # Company Name
        "Attention": "Test Recipient 2",    # Attention
        "Custom1": "Custom1",               # Custom Field
        "Custom2": "Custom2",
        "Custom3": "Custom3",
        "Custom4": "Custom4",
        "Custom5": "Custom5"
    }
]

request.AddAttachment("C:\\File1.pdf")      # Add Attachment
request.AddAttachment("C:\\File2.pdf")      # Add Attachment

response = request.SendMessage()

print(repr(response))