Model simulation icons

Model execution contains many of the debugging icons that have been used in previous version but also contains some new icons specific to model simulation and animation.

Table 1. Model execution icons
Icon	Description
	Icon shows which element is next to execute in the model simulation.
	Represents a set breakpoint on the model.
	Icon to send an event to the model simulation. Clicking an event in the event view and clicking this icon will send the event to the model execution and can be viewed in the debug view.
	Icon to create an event. Clicking the icon allows you to select a signal to be added to the event.
	Icon to remove all historic information from the simulation.
	Icon to proceed the model simulation one step.
	Icon used to step into an element. Icon used specifically for UAL models to debug the UAL code in the model element.
	Activity token icon represents the path on the activity edge that the model execution can take. There can many activity tokens on a model execution. Holding the Shift key and clicking the activity token will allow that activity edge to go before any other token as long as it does not violate any constraints.

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