How to include bulleted list within a checklist?

I have a task. Within the task is a checklist of items. I want to include bulleted lists within the checklist, but when I try to assign the bullet style to the text within the checklist, it changes the entire checklist to bullet. Is this possible and if so, how?

Select that line and change it to bullets. It’s not working?
image

Correct.

I want the list within the checklist to read with bullets. I’m able to get them all on their own line using shift-enter:

but when I select the list and click on the bullet style, it turns into this:

If I press the bullet button again, the checklist turns into a single bullet entry:

thanks for your help!