As much as I see, you've created a folder in your Portfolio. To add a work, to go Publishing Center (black line on top of every page) and click "Add New Work". It will let you paste or upload your text from there, set the options for it and put it in the right folder when you click "Publish". Then it will appear in your portfolio in the folder you chose, and you can later edit that at any time.
It will also take some of your points (currently 250, I believe), which you can earn again by reviewing other people's works c:
That's about it. Feel free to poke me if you have any more questions about this or anything else
Edit - oh, also, I'm moving this to Q&A, since it's a site- rather than writing-related question ^^
• previously ChildOfNowhere - they/them - literary fantasy with a fairytale flavour
Tons of cowering! Plus your name in the summer programme. A custom-designed banner. A cabin at Camp Half-Blood. Two shrines. I'll even throw in a Kymopoleia action figure. — Rick Riordan, The Blood of Olympus
Gender:
Points: 4915
Reviews: 172