@tool extends EditorPlugin func _enter_tree(): # Initialization of the plugin goes here. # Add the new type with a name, a parent type, a script and an icon. add_custom_type("MaxSizeContainer", "MarginContainer", preload("max_size_container.gd"), preload("icon.png")) func _exit_tree(): # Clean-up of the plugin goes here. # Always remember to remove it from the engine when deactivated. remove_custom_type("MaxSizeContainer")