Not able to pass ValueObject to component

Hi Expert,

I am trying to pass one ValueObject from my main application to one of the component which is used in the main application.
It is showing null.
could you please tell where i am wrong.
Here is my code attached.

In Main Application:
--------------------
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
				   xmlns:s="library://ns.adobe.com/flex/spark"
				   xmlns:mx="library://ns.adobe.com/flex/mx"
				   xmlns:comp="com.att.ntscp.view.component.*" 
				   skinClass="com.att.ntscp.view.style.CommandApplicationContainerSkin"
				   width="100%" height="700" creationComplete="init();">
<fx:Script>
    <![CDATA[
    public var commandName:String;
    public var cardType:String;
    public var commandType:String;
    public var attuid:String;
    public var cmd:CommandVO;

    public function init():void{
				commandId = FlexGlobals.topLevelApplication.parameters['commandId'];
				commandName = FlexGlobals.topLevelApplication.parameters['commandName'];
				cardType = FlexGlobals.topLevelApplication.parameters['cardType'];
				commandType = FlexGlobals.topLevelApplication.parameters['commandType'];
				cmd = new CommandVO();
				cmd.commandId = commandId;
				cmd.commandName = commandName;
				cmd.cardType = cardType;
				cmd.cmdType = commandType;
				comp.fetchCmdDtls();
				
			}
		]]>
</fx:Script>

	<mx:VBox id="cmdbox5" resizeEffect="{resize}" width="100%" height="700" backgroundColor="0xEEF9F8" horizontalScrollPolicy="off" >
		<comp:SomeComponent id="comp"/>
	</mx:VBox>
</s:Application>

SomeComponent.mxml
-------------------
<s:VGroup xmlns:fx="http://ns.adobe.com/mxml/2009" 
xmlns:s="library://ns.adobe.com/flex/spark" 
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:comp="com.att.ntscp.view.component.*" width="100%" 
>

<fx:Script>
    <![CDATA[
     import com.att.ntscp.vo.CommandVO;	
     import mx.core.FlexGlobals;		
     private var commandId:int;			
     private var commandName:String;
     private var commandType:String;
     private var cardType:String;
     private var attuid:String;	      	             public var cmdVO:CommandVO;

public function fetchCmdDtls():void{
Debug.echo(producer,this.toString(),"::SubComp In fetchDetls()","#0000FF")// after this statement, control is not going
commandId = int(cmdVO.commandId);
Debug.echo(producer,this.toString(),"::SubComp In fetchDetls() commandId = "+commandId,"#0000FF")
if(commandId<=0) {
commandId = -1;
}
commandName = cmdVO.commandName;
Debug.echo(producer,this.toString(),"::SubComp In fetchDetls() commandName = "+commandName,"#0000FF")
commandType = cmdVO.cmdType;
cardType = cmdVO.cardType;				
ntscpSrv.getCommandHelp(commandId,commandName,commandType,cardType);//calling remote method	
}

Here is the CommandVO.as
------------------------
[RemoteClass(alias="nscom.FrameWork.Command")]
	public class CommandVO
	{
		public function CommandVO()
		{
		}
		public var commandId:String;
		public var commandName:String;
		public var cardType:String;
		public var cmdType:String;
		public var commandDescription:String;
		public var argumentList:ArrayCollection;
		...

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