“I'll schedule a showing.”
A real-estate showing is a visit to view a property. Schedule a showing arranges its time. Tour and schedule a tour can serve the same purpose. British English commonly uses book a viewing.
B1-20 / CEFR B1 / EPISODE 20
Prioritizing requirements for a home
SceneTina has just viewed an apartment. At a café, she and Frank are looking at more listings on her phone.

WORDS & CONTEXT
A real-estate showing is a visit to view a property. Schedule a showing arranges its time. Tour and schedule a tour can serve the same purpose. British English commonly uses book a viewing.