code: def type_invalid_msg(name: str, val_type, valid_val_type) -> str:
      return f"`{name}` type = {val_type} is invalid; type must match {valid_val_type}."
  
label_desc: Use image node_id 2 for calling a global function with example usage: type_invalid_msg(name, val_type, valid_val_type) and returns: str, name, str, val_type, str, valid_val_type, str