Description:
Call this method to add a new child key, if the key is exists then the existing key is returned otherwise a new empty PersistentSettings child key is added and the new settings are returned.
Syntax:
Parameters:
- key
- Type: string
- Key to add to the child dictionary.
Returns:
Type: PersistentSettings
If the key is exists then the existing key is returned otherwise a new empty <b>PersistentSettings</b> child key is added and the new settings are returned.
Available since:
6.0