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Registers a callback that's fired when a shape is drawn.
Returns an ID which can be passed to unlisten() to unregister the callback.
Usage
Returns
DrawingTools.onDraw(callback)
String
Argument
Type
Details
this: ui.map.drawingtools
ui.Map.DrawingTools
The ui.Map.DrawingTools instance.
callback
Function
The callback to fire when a shape is drawn. The callback is passed three parameters: the added ee.Geometry, the GeometryLayer to which the geometry was added, and the ui.Map.DrawingTools widget that the event listener is bound to.