It is possible to edit a hsmx portal.
layout → portal page
Go to editor
Situation: You want to create a registration portal.
Next window will apear when you click in the white space and then click on
Add new container.
Here you need to fill in some fields like the width, height, … Click save when done.
Next you need to click in the new container and click on Edit content. Select in the first dropdownlist “use existing content” and in the second one “Register form”.
You will see at the bottom of the next screen Translation. Click on it and check if all the languages that are needed are filled in. Click save when done. The final step is to click on Publish HTML page (12).
You can always check if the portal page is ok by clicking on