A bundle of values that defined an message, element config or workflow-node configs. A bundle has a name and every value has a name. A element config and a workflow config has value bundle collections with more than one value bundle like the message. A value defined a data in the causetree system. It defined the name, the type and if it is an array. Groups can be defined with slashes in the bundle or value name (eg: in the overlay data file).

Supported value types:
String, Integer, Long, Short, Double, Float, Boolean, Byte, URI, Date, ElementPath, BigDecimal, BigInteger, null

Value name specification:
Valuenames should contains only small letters, numbers, a line, a dot and a slash to define group. The maximal length of a name is 32.