Update Resource Attributes
You can modify, from within the sandbox workspace, resource attributes that have the Setting rule attached to them.
To modify resource attributes:
- 
                                                
In Diagram view, hover over the resource. From the Actions menu, select the Attributes option.
The Resource Attributes pane is displayed.
                                                 - You can edit attributes that are not set to read-only by clicking the 
 button next to it.  
- 
                                                
Click Update.
                                                    
                                                 
