Once you have LMPM enabled for Breezeway, all properties must be made visible to Breezeway from within LMPM. Below are steps to opt in properties in bulk, as well as individually.
Bulk
Go to Settings--Integrations--Breezeway.
Locate the properties in the section at the bottom of the page.
Check off all properties to be made visible to Breezeway.
Click the 'Save' button.
Individual Property
Ensure the property is set to active (published).
Go to the Distribution tab.
Locate Breezeway and click the toggle from 'Off' to 'On.'