You use the Block Editor to define and modify the objects and behavior in a block definition. In the Block Editor, you add parameters and actions, which define custom properties and dynamic behavior.
You can access the Block Editor by typing BEDIT command or double-click the block without
Dynamic Block Editor Tool Panels:
You can uses the tools at Panels to define, edit and modify dynamic block definitions , makes it very convenient and fast.
Manage: Save or Save as the default block; Create or edit another block.
Tool: Define, edit or update the block attribute.
Parameter: You can add parameters for Dynamic Blocks on this panel.
Action: You can add actions for Dynamic Blocks on this panel.
Parameter Sets: You can add the parameter set on this panel.
Visibility: This panel is specially used for Visibility editing.
Close: It is used to exit the Block Editor. Before exiting, some commands like save or open etc. might not work.