from tnzapi import TNZAPI

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

request = client.Send.Fax(
    Reference = "Test"                # Optional
    Recipients = ["+6491231234"],     # Fax Numbers
    Attachments = ["C:\\File1.pdf"]   # Fax Documents
)

response = request.SendMessage()      # Send Fax
  
print(repr(response))