from tnzapi import TNZAPI

client = TNZAPI(
    Sender="YOUR_EMAIL_ADDRESS",                    # API Username
    APIKey="YOUR_API_KEY",                          # API Key
)

request = client.Send.Fax()

request.MessageID = "ID12345"                       # MessageID - Leave blank to auto-generate
request.Reference = "Test Fax - Advanced version"   # Reference

request.Resolution = "High"                         # Resolution - High/Low
request.CSID = "TEST FAX"                           # CSID

request.RetryAttempts = 3                           # RetryAttempts - no of retries
request.RetryPeriod = 1                             # RetryPeriod - no of minutes between retries

request.Recipients      = [
    {
        "Recipient": "+6491231234",                 # Fax number
        "Company": "Test Company",                  # Company Name
        "Attention": "Test Recipient",              # Attention
        "Custom1": "Custom1",                       # Custom Field
        "Custom2": "Custom2",
        "Custom3": "Custom3",
        "Custom4": "Custom4",
        "Custom5": "Custom5"
    },
    {
        "Recipient": "+6471231234",                 # Fax number
        "Company": "Test Company 2",                # Company Name
        "Attention": "Test Recipient",              # Attention
        "Custom1": "Custom1",                       # Custom Field
        "Custom2": "Custom2",
        "Custom3": "Custom3",
        "Custom4": "Custom4",
        "Custom5": "Custom5"
    }
]

request.AddAttachment("C:\\File1.pdf")              # Add Fax Document         
request.AddAttachment("C:\\File2.pdf")

response = request.SendMessage()                    # Send Fax

print(repr(response))