Some will become egg bound and some will just lay them on the tile. You could always keep a small container of dirt in the enclosure for her to dig in and possibly lay eggs. Just be sure to change it out when needed.
As This has not happened yet for me, I have been thinking about setting one up for Tessie. Her birth month is May. Is she too young to worry about it yet? Also do they have a general time frame for this to happen? Summer, fall, or spring?