To fill instances with information in the modeling environment, one has to define attributes for the class of these instances. Attributes are properties of a modelling construct such as a model, object or relation. Each attribute has a type and a value. A list of the attribute types and a detailed documentation can be found at the following link:
https://www.adoxx.org/live/class-attribute-and-attribute-types

In order to be able to edit his attributes in the modeling environment you have to add them into the NOTEBOOK of the appropriate class, which is done within the class-attribute 'AttrRep'. E.g.:


A detailed documentation and the syntax of the AttrRep/NOTEBOOK definition can be found here:
https://www.adoxx.org/live/adoxx-attribute-notation-language-attrrep