How to use the azure-mgmt-eventgrid.azure.mgmt.eventgrid.models.dead_letter_destination_py3.DeadLetterDestination function in azure-mgmt-eventgrid

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# 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.
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from .dead_letter_destination_py3 import DeadLetterDestination


class StorageBlobDeadLetterDestination(DeadLetterDestination):
    """Information about the storage blob based dead letter destination.

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

    :param endpoint_type: Required. Constant filled by server.
    :type endpoint_type: str
    :param resource_id: The Azure Resource ID of the storage account that is
     the destination of the deadletter events
    :type resource_id: str
    :param blob_container_name: The name of the Storage blob container that is
     the destination of the deadletter events
    :type blob_container_name: str
    """

    _validation = {
        'endpoint_type': {'required': True},