'Creates or updates an integration account session.
:param resource_group_name: The resource group name.
:type resource_group_name: str
:param integration_account_name: The integration account name.
:type integration_account_name: str
:param session_name: The integration account session name.
:type session_name: str
:param session: The integration account session.
:type session: :class:`IntegrationAccountSession
<azure.mgmt.logic.models.IntegrationAccountSession>`
:param dict custom_headers: headers that will be added to the request
:param bool raw: returns the direct response alongside the
deserialized response
:param operation_config: :ref:`Operation configuration
overrides<msrest:optionsforoperations>`.
:rtype: :class:`IntegrationAccountSession
<azure.mgmt.logic.models.IntegrationAccountSession>`
:rtype: :class:`ClientRawResponse<msrest.pipeline.ClientRawResponse>`
if raw=true
:raises:
:class:`ErrorResponseException<azure.mgmt.logic.models.ErrorResponseException>`'

def create_or_update(self, resource_group_name, integration_account_name, session_name, session, custom_headers=None, raw=False, **operation_config):

    url = '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Logic/integrationAccounts/{integrationAccountName}/sessions/{sessionName}'
    path_format_arguments = {'subscriptionId': self._serialize.url('self.config.subscription_id', self.config.subscription_id, 'str'), 'resourceGroupName': self._serialize.url('resource_group_name', resource_group_name, 'str'), 'integrationAccountName': self._serialize.url('integration_account_name', integration_account_name, 'str'), 'sessionName': self._serialize.url('session_name', session_name, 'str')}
    url = self._client.format_url(url, **path_format_arguments)
    query_parameters = {}
    query_parameters['api-version'] = self._serialize.query('self.api_version', self.api_version, 'str')
    header_parameters = {}
    header_parameters['Content-Type'] = 'application/json;    charset=utf-8'
    if self.config.generate_client_request_id:
        header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
    if custom_headers:
        header_parameters.update(custom_headers)
    if (self.config.accept_language is not None):
        header_parameters['accept-language'] = self._serialize.header('self.config.accept_language', self.config.accept_language, 'str')
    body_content = self._serialize.body(session, 'IntegrationAccountSession')
    request = self._client.put(url, query_parameters)
    response = self._client.send(request, header_parameters, body_content, **operation_config)
    if (response.status_code not in [200, 201]):
        raise models.ErrorResponseException(self._deserialize, response)
    deserialized = None
    if (response.status_code == 200):
        deserialized = self._deserialize('IntegrationAccountSession', response)
    if (response.status_code == 201):
        deserialized = self._deserialize('IntegrationAccountSession', response)
    if raw:
        client_raw_response = ClientRawResponse(deserialized, response)
        return client_raw_response
    return deserialized
