The string returned from this method is displayed as a warning in the Scene Dock if the script that overrides it is a tool script.
Returning an empty string produces no warning.
Call updateConfigurationWarning when the warning needs to be updated for this node.
The string returned from this method is displayed as a warning in the Scene Dock if the script that overrides it is a tool script. Returning an empty string produces no warning. Call updateConfigurationWarning when the warning needs to be updated for this node.