Example of execution getParameter

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helloworld.zul is as follow:

<window>
	1:${param.contributor}
	<button id="contributor"/>
	<zscript >
    	contributor.label = Executions.getCurrent().getParameter("contributor");
	</zscript>
</window>

Assume helloworld.zul is under project zksTest, and you visit the url: http://localhost:8080/zksTest/helloworld.zul?contributor=abc

?contributor=abc following original url will be put into param, it means a variable named contributor, and its value is "abc". And developer can get it through Executions.getCurrent().getParameter.