Hello guys... I will share with you how to connect at a WebService.
This is only a example, you will has other problems not resolve here, but is this a way to help you a get data in webservice when you dont have idea how to connect in webservice.
First you will need a addres (URL) like this http://domain//Administracaoweb/wsDocumentos.asmx and you will put in a TEXT INPUT.

After this you will need to config the DOWNLOAD TOOL like demonstrated bellow.
Step 1:

Step 2:

Step 3:

Step 4:
In option "Use Following for Query String/Body" we have this:

Remember: you will need to change the text "YOURDOMAIN" and "XXX" to your information
I hope i´ve helped.
Carlos Teixeira