How to use the azure-cognitiveservices-search-entitysearch.azure.cognitiveservices.search.entitysearch.models.contractual_rules_contractual_rule.ContractualRulesContractualRule function in azure-cognitiveservices-search-entitysearch

def __init__(self, **kwargs):
        super(ContractualRulesContractualRule, self).__init__(**kwargs)
        self.target_property_name = None
        self._type = None

# coding=utf-8
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# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
#
# Code generated by Microsoft (R) AutoRest Code Generator.
# Changes may cause incorrect behavior and will be lost if the code is
# regenerated.
# --------------------------------------------------------------------------

from .contractual_rules_contractual_rule import ContractualRulesContractualRule


class ContractualRulesAttribution(ContractualRulesContractualRule):
    """ContractualRulesAttribution.

    You probably want to use the sub-classes and not this class directly. Known
    sub-classes are: ContractualRulesLicenseAttribution,
    ContractualRulesLinkAttribution, ContractualRulesMediaAttribution,
    ContractualRulesTextAttribution

    Variables are only populated by the server, and will be ignored when
    sending a request.

    All required parameters must be populated in order to send to Azure.

    :ivar target_property_name: The name of the field that the rule applies
     to.
    :vartype target_property_name: str
    :param _type: Required. Constant filled by server.