A ZenAnnotation can be given to a Class or its Methods to expose it to ZenScript

These annotations can be given to ZenClasses

Annotation	Value	Target	Information
Annotation @ZenClass	Value ZenClass Name (e.g. crafttweaker.item.IItemStack), can differ from class' formal name	Target Class	Information Name has to be unique
Annotation @ZenExpansion	Value Expanded ZenType name (e.g. crafttweaker.item.IItemStack)	Target Class	Information Name has to exist already (you cant extend something nonexistant)
Annotation @ZenRegister	Value ​	Target Class	Information Used to Automatically register the class or expansion
Annotation @IterableList	Value ZenClass name of the Iterable Type (e.g. crafttweaker.mods.IMod)	Target Class	Information Class needs to be assignable to Iterable<Type>
Annotation @IterableMap	Value ZenClass name of the Iterable key and value Type (e.g. string, crafttweaker.item.IItemStack)	Target Class	Information Class needs to be assignable to List<Type>
Annotation @IterableSimple	Value ZenClass name of the Iterable Type (e.g. crafttweaker.mods.IMod)	Target Class	Information Class needs to be assignable to Map<KeyType, ValueType>
Annotation @BracketHandler	Value Bracket Handler Priority (e.g. priority = 19)	Target Class	Information Class needs to be assignable to IBracketHandler
Annotation @ModOnly	Value Required mod's name (isModLoaded(annotation.getValue()) needs to eval to true)	Target Class	Information Used in combination with @ZenRegister

These annotations can be given to Method Parameters

Annotation	Target	Information
Annotation @NotNull	Target Parameter	Information Does nothing (NYI)
Annotation @Optional	Target Parameter	Information Denotes a Parameter as optional. Optional parameters can be omitted when calling the function

These annotations can be given to Methods (both static and nonstatic)

Annotation	Value	Target
Annotation @ZenCaster	Value ​	Target Method
Annotation @ZenOperator	Value OperatorType	Target Method
Annotation @ZenGetter	Value getter name (e.g. "name") if omited, method name without () will be used	Target Method
Annotation @ZenSetter	Value setter name (e.g. "name") if omited, method name without () will be used	Target Method
Annotation @ZenMemberGetter	Value ​	Target Method
Annotation @ZenMemberSetter	Value ​	Target Method
Annotation @ZenMethod	Value ​	Target Method
Annotation @ZenMethodStatic	Value ​	Target Method
Annotation @ZenDoc	Value The Additional Method info for dumpZS	Target Method

These annotations can be given to public fields (both static and nonstatic)

Annotation	Target	Information
Annotation @ZenProperty	Target Field	Information Combines @ZenSetter and @ZenGetter