Choose a topic.
Outlines help you organize your thoughts before you start writing.
Decide on your main goal.
A paper can try to persuade the reader of your argument, inform the reader about a topic, or reflect on your personal experience.
Gather supporting materials.
Choose a type of outline.
This is where I got this information from
https://m.wikihow.com/Write-an-Outline?amp=1
On here it has examples of outlines so you can get an idea of what you need to do. I hope this helps you out on how to write an outline. :-)