code: func (gq *Schema) AppendType(objectType Type) error {
  	if objectType.Error() != nil {
  		return objectType.Error()
  	}
  	var err error
  	gq.typeMap, err = typeMapReducer(gq, gq.typeMap, objectType)
  	if err != nil {
  		return err
  	}
  	//Now Add interface implementation..
  	return gq.AddImplementation()
  }
docs: //Edited. To check add Types at RunTime..
  //Append Runtime schema to typeMap