Custom Right Click Task with Inputs

I have a Task Server task that has an input for Computer Name. I want this to be a right click task that would automatically populate the computer name of the computer I right clicked on. I have everything working now but it's not populating the computer name. Is this possible? My right click task looks like this...

Right Click Task

BaseURL:

/Altiris/TaskManagement/TaskScheduleMaintenance.aspx?ItemGuid=12ad0821-2ee0-4060-87ab-23656b8de7a0&ResourceGUID=%ResourceGUID%&Name=%Name%

Task Server Task: