def get_sequence_rule_enabler_bank_assignment_session(self):
raise Unimplemented()<EOL>
Gets the ``OsidSession`` associated with assigning sequence rule enablers to bank.

        return: (osid.assessment.authoring.SequenceRuleEnablerBankAssign
                mentSession) - a
                ``SequenceRuleEnablerBankAssignmentSession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented -
                ``supports_sequence_rule_enabler_bank_assignment()`` is
                ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_sequence_rule_enabler_bank_assignment()`` is
        ``true``.*