OptionLists, abbreviated as OL, are AnyLogics version of Java Enums.

There are many OptionLists in the LUX model. Some of the more commonly used are:

• OL_EnergyCarriers
• OL_AssetFlowCategories
• OL_EnergyAssetType
• OL_GridConnectionHeatingType
• OL_GridNodeType

Option lists always have the prefix 'OL'. Entries in option lists are always capitalized, with underscores for spaces. e.g. ELECTRICITY, PETROLEUM_FUEL.