How do I buy Usdt on AscendEX?

Hello there, I'm curious about purchasing USDT on AscendEX. Could you please guide me through the process step-by-step? I'm new to this platform and would appreciate any tips or precautions I should be aware of before making my first purchase. Additionally, is there a specific fee structure for buying USDT on AscendEX, and how does it compare to other exchanges? Thank you in advance for your help!