First, log in to your Steward Dashboard.
Next to the listing that you would like to add an additional guest fee for, click Manage, then Edit Listing.
In your listing dashboard, click on the section for Bedrooms.
Underneath the question, “How many guests can stay at this place comfortably?”, select the maximum occupancy your stay can accommodate (this is including the guests that will be charged an extra fee!)
Scroll down to the bottom of this section and press Save and Continue.
Next click on the Price Settings section.
Scroll down to the bottom of this section. You can now fill out the fee amount, each guest this will apply to, and whether this will be per booking or per night.
Press Save and Continue when you are done.