code: def extra_params(self):
      return self._extra_params
  
imports: from ...serialization.serializables import Serializable, FieldTypes, DictField, ReferenceField
  from ...utils import AttributeDict
  from ..base import Base
label_desc: Use image node_id 6 for calling the EntityData obj's underlying member method code with example usage: obj.extra_params() and returns: self