if [get-view "Resource Navigator" | get-tree | get-item abc | get-property caption | equals abc ] {
	get-view "Resource Navigator" | get-tree | select "abc/ip1/dsresource" | get-menu Delete | click
	with [get-window -class DeleteResourceDialog] {
    	get-button "Do you want to remove the physical files from the disk?" | check
    	get-button OK | click
	}
} 

proc "has-item" [val tree -input] [val titem] {
       try {
               $tree | get-item $titem
               bool true // return true
       } -catch {
               bool false // return false
}
}

if [get-view "Resource Navigator" | get-tree | has-item abc]{
get-view "Resource Navigator" | get-tree | select "abc/ip1/dsresource" | get-menu Delete | click
	with [get-window -class DeleteResourceDialog] {
    	get-button "Do you want to remove the physical files from the disk?" | check
    	get-button OK | click
	}
} -else {
log "abc item doesn't exist"
}

WorkspaceManager wrkmgr;
// initialize wrkmgr
wrkmgr.deleteResource(resId, true) // where resId is of datatype QResourceID

get-eclipse-window | get-object | invoke com.abc.qti.qsip.core.ABCWorkspaceManager.WorkspaceManager.deleteResource "abc.ipname-resource" true //where "abc.ipname-resource" is resID object which I have to see how to pass.