RelationPropertySpec

The database this relation refers to. New linked pages must belong to this database in order to be valid.

The ID of the property, usually a short string of random letters and symbols. Some automatically generated property types have special human-readable IDs. For example, all Title properties have an ID of title.

The name of the property as it appears in Notion.

By default, relations are formed as two synced properties across databases: if you make a change to one property, it updates the synced property at the same time. syncedPropertyId refers to the id of the property in the related database. Like PropertySpec.id, this is usually a short string of random letters and symbols.

By default, relations are formed as two synced properties across databases: if you make a change to one property, it updates the synced property at the same time. syncedPropertyName refers to the name of the property in the related database.