Property
Base interface for all property values in a Notion database. Property values represent the actual data stored in database properties, with each type of property having its own value type.
The generic type parameter T represents the type of the value:
String for text-based properties (email, url, phone)
Boolean for checkbox properties
Number for number properties
DateOrDateTime for date properties
RichTextList for rich text and title properties
List for multi-select and relation properties
User for people and created/edited by properties
See also
Property