https://www.mathworks.com/help/simulink/slref/simulink.data.dictionary.enumtypedefinition.html
Simulink.data.dictionary.EnumTypeDefinition - Store enumerated type definition in data dictionary -...
A Simulink.data.dictionary.EnumTypeDefinition object defines an enumerated data type in a data dictionary.
data dictionaryenumerated typesimulinkstoredefinition