Develop a Soap service in elixir and phoenix

I saw that patrick, but then what should be action and params for my wsdl

https://sandbox.ws-idu.tracesmart.co.uk/v5.6/?wsdl

wsdl_path = “https://sandbox.ws-idu.tracesmart.co.uk/v5.6/?wsdl
action = ??
params = ??