ZObject is the basic data unit in Wikifunctions. A ZObject may be a string, list of ZObjects, or a JSON object. A persistent ZObject may only be a JSON object.

The keys of JSON object are “Z#K#”, where # are positive integers, their associated values are other ZObjects.

In the list below, each type of object or key is noted “Key/Label” for convenient reference in the documentation, where the Label may be translated and not necessarily in English.

• Z1/ ZObject
  • Z1K1/ type (Z4/ Type)
• Z2/ Persistent object
  • Z2K1/ id (Z6/ string)
  • Z2K2/ value (Z1/ ZObject)
  • Z2K3/ label (Z12/ Multilingual text)
• Z3/ Key
  • Z3K1/ value type (Z4/ Type)
  • Z3K2/ key id (Z6/ String)
  • Z3K3/ label (Z12/ Multilingual text)
• Z4/ Type
  • Z4K1/ identity (Z4/ Type)
  • Z4K2/ keys (Z10/ List (Z3/ Key) )
  • Z4K3/ validator (Z8/ Function (...) )
• Z5/ Error
  • Z5K1/ error type
• Z6/ String
  • Z6K1/ string value (Z6/ String)
• Z7/ Function call
  • Z7K1/ function (Z8/ Function)
  • Others based on Z8/Function
• Z8/ Function ( generic)
  • K1/ arguments (Z10/ List (Z17/ Argument declaration) )
  • K2/ return type (Z4/ Type)
  • K3/ tests (Z10/ List (Z20/ Test) )
  • K4/ implementation (Z14/ Implementation)
  • K5/ identity (Z8/ Function)
• Z9/ Reference
  • Z9K1/ reference ID (Z6/ String)
• Z10/ List ( generic)
  • K1/ head
  • K2/ tail