commands and value links

I'm trying to create a value link that can display a single command inside a document. But I struggled to create a proper link for the command. This seems only possible if you have a pier context and renderer at the same time which is not really the case as long as you are staying inside PRValueLink. The only solution I could come up with is the following: PRValueLink>>commandIn: aContext <value: 'command' comment: 'Display command as link'> (PRCommand withAllConcreteClasses detect: [ :each | each label = (self parameterAt: 'label' ) ] ifNone: [ ^ nil ]) ifNotNilDo: [ :commandClass | ^ [ :html | html anchor goto: (aContext command: commandClass new); with: commandClass label]]. ^ nil I have the impression there might be a solution without using a block. Any ideas? Or is it ok the way it is? thanks, Norbert