code: def has_config(name):
      """Returns whether a configuration item is registered under the given name
  
      Parameters
      ----------
  
      name: str
        Configuration item name
  
      Returns
      -------
      bool
      """
      return name in _definitions
  
label_desc: Use image node_id 2 for calling a global function with example usage: has_config(name) and returns: unknown