Allocates memory for interactively loading model parameters
If a script is to provide values directly for a Simile model parameter, this command must be called first to set up a location for the parameters to be held
The handle returned by create.model() identifying the model instance.
Caption path to the model component whose value is to be specified
A handle to the location that has been created.
param.handle <- create.param.array("dummy_ih", "/submodel1/trees/larch")