Blueprints
All of Bolt's major features are accessible by blueprint.
All blueprint functions are namespaced with Bolt; all of bolt's classes and structs are prefixed with BL (e.g., BLItemSlotHandle).
Asset Types
Bolt includes several asset types which can be found under the Gameplay tab:

Item DefinitionItem Recipe
Also, bolt includes several data assets:
BLCosmeticDefBLInventoryStorageDefBLGridInventoryStorageDef