class_docstr: :param access_key:
  :type access_key: str
  :param last_used:
  :type last_used: datetime.datetime
  :param last_used_from:
  :type last_used_from: str
class_docstr_tok: [":","param","access_key",":",":","type","access_key",":","str",":","param","last_used",":",":","type","last_used",":","datetime.datetime",":","param","last_used_from",":",":","type","last_used_from",":","str"]
code: def access_key(self):
      return self._property_access_key
  
imports: from datetime import datetime
  import six
  from dateutil.parser import parse
  from ....backend_api.session import NonStrictDataModel, Request, Response, schema_property
label_desc: Use image node_id 2 for calling the CredentialKey obj's underlying member method code with example usage: obj.access_key() and returns: self