Retrieveing data from a non-SAP system into SAP

Professionals!

I'm trying to pass a 'HTTPS: //' link from ABAP to an external system that in return will send back a response as a text. Using internet explorer I can retrieve data from the external system by doing so.

My understanding that, using HTTP_POST function module will allow this? Do you have an example of what is required as parameters to run the single test for this function module? Also is there any specific setting for the RFC-Destination?

We are on release 4.7.

Appreciate your response.