Assign a reference if the value of the property should link to an {{UBIK}} object. The data type of the MetaProperty has to be ''Guid'' that the data (guid) can hold a reference to an {{UBIK}} object.
# Locate an existing or [[HowTo:Create_a_new_Reference|create a new Reference]]
# Assign the reference to the '''REFERENCE''' property either by
#* dragging and dropping the reference object onto the cell
Assign a selective list to a property, if the respective column should display a Combobox with all items of the list instead of the value field. The value can then only be selected from the list, but not be edited manually anymore.
# Locate an existing or [[HowTo:Create_a_new_Selective_List|create a new Selective List]]
# Assign the list to the '''SELECTIVELIST''' property either by
#* dragging and dropping the list object onto the cell