As described in the presentation of GAML, any model in GAMA is a species (introduced by the keyword global) which directly inherits from an abstract species called model. This abstract species (sub-species of agent) defines several attributes and actions that can then be used in any global section of any model.
model attributesmodel defines several attributes, which, in addition to the attributes inherited from agent, form the minimal set of knowledge a model can manipulate.
model actions