Hi @LookingToLearn8,
Could you please describe what conditions you want to filter?
It seems like the dynamic content of body you are using is improper, because the body is the object, which cannot be equal to yes.
You could click on the flow run history > open the trigger When an item is created or modified > click to download to get the body content:

Then search the json formatter, copy and paste the code you get from the above steps.
The body is shown below:

In addition, what is the type of your Assigned column? Is it a person column or single line of text column?
Best regards,
Sylvia