== Optional Attributes ==
[[File:IL_HowTo_CreateMetaProperty_AssignReference_01.png|thumb|alt=Assign a reference|Assign a reference]]
=== REFERENCE ===
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.
# Assign the reference to the ''REFERENCE'' attribute either by
#* dragging and dropping the reference object onto the cell
#* selecting the desired reference from the dialog appearing after double-clicking the cell<br/>[[File:IL_HowTo_CreateMetaProperty_AssignReference_01.png|thumb|alt=Assign a reference|Assign a reference]]
=== SELECTIVELIST ===