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# Execution Arguments

Arguments to the method [`execute(_:atTime:withArguments:)`](/documentation/Quartz/QCPlugIn/execute(_:atTime:withArguments:)).

## Topics

### Constants

[`QCPlugInExecutionArgumentEventKey`](/documentation/Quartz/QCPlugInExecutionArgumentEventKey)

The current event.

[`QCPlugInExecutionArgumentMouseLocationKey`](/documentation/Quartz/QCPlugInExecutionArgumentMouseLocationKey)

The current location of the mouse (as an `NSPoint` object stored in an `NSValue` object) in normalized coordinates relative to the OpenGL context viewport ([0,1]x[0,1] with the origin (`0,0`) at the lower-left corner).


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