transformation MyCallingTransformation(inout model:MyModel)
	access transformation MyCalledTransformation(inout model:MyModel);

import MyModel2Ecore;

modeltype Mapping uses ...

transformation CallingTransformation(inout inputMapping:Mapping)
	access transformation MyModel2Ecore(inout inputMapping:Mapping)
{
	main()
	{
		var inputObject:= inputMapping.rootObjects()![SomeRoot].applications->select(newInput: SomeType| newInput.name = 'Some Name')![SomeOtherType];
		
		// 1. idea: create an empty model and add the desired objects
		//var model : Mapping := design2PatternMapping.createEmptyModel().oclAsType(Mapping);
		// inputObject cannot be added to the empty model or set to be the root of the model

		// 2. idea: copy the given model end remove all elements, but the desired ones
		var model : Mapping := design2PatternMapping.copy().oclAsType(Mapping);
		
		// this seems to remove the root including all contained elements :-(
		// I only want to replace the root with another object that is contained in the root
		model.removeElement(model.rootObjects()![PatternApplications]);
		
		// call the transformation with the selected input object
		var retC := (new MyModel2Ecore(model))->transform();
	}
}