def by_app_management_policy_id(self,app_management_policy_id: str) -> AppManagementPolicyItemRequestBuilder:
        """
        Gets an item from the msgraph.generated.applications.item.appManagementPolicies.item collection
        param app_management_policy_id: The unique identifier of appManagementPolicy
        Returns: AppManagementPolicyItemRequestBuilder
        """
        if app_management_policy_id is None:
            raise TypeError("app_management_policy_id cannot be null.")
        from .item.app_management_policy_item_request_builder import AppManagementPolicyItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["appManagementPolicy%2Did"] = app_management_policy_id
        return AppManagementPolicyItemRequestBuilder(self.request_adapter, url_tpl_params)

        Gets an item from the msgraph.generated.applications.item.appManagementPolicies.item collection
        param app_management_policy_id: The unique identifier of appManagementPolicy
        Returns: AppManagementPolicyItemRequestBuilder
        
msgraph/generated/applications/item/app_management_policies/app_management_policies_request_builder.py