Sets the field specifier for the Geometry Layer Id attribute.
Generators: Android, Apple
Controls: Grid (Control Type: Maps)
This property is available for a Grid control with its Control Type property set to Maps (included in a Panel object).
Read more at HowTo: Group and Visualize Geographic Data Logically.
This property applies only at design time.
Geometry Layer Id Attribute property
HowTo: Group and Visualize Geographic Data Logically