# DatadogAPIClient::V1::TimeseriesWidgetExpressionAlias ## Properties | Name | Type | Description | Notes | | -------------- | ---------- | ----------------- | ---------- | | **alias_name** | **String** | Expression alias. | [optional] | | **expression** | **String** | Expression name. | | ## Example ```ruby require 'datadog_api_client/v1' instance = DatadogAPIClient::V1::TimeseriesWidgetExpressionAlias.new( alias_name: null, expression: ) ```