# Data Types The AWS Support API contains several data types that various actions use. This section describes each data type in detail. **Note** The order of each element in a data type structure is not guaranteed. Applications should not assume a particular order. The following data types are supported: + [Attachment](API_Attachment.md) + [AttachmentDetails](API_AttachmentDetails.md) + [CaseDetails](API_CaseDetails.md) + [Category](API_Category.md) + [Communication](API_Communication.md) + [CommunicationTypeOptions](API_CommunicationTypeOptions.md) + [DateInterval](API_DateInterval.md) + [RecentCaseCommunications](API_RecentCaseCommunications.md) + [Service](API_Service.md) + [SeverityLevel](API_SeverityLevel.md) + [SupportedHour](API_SupportedHour.md) + [SupportedLanguage](API_SupportedLanguage.md) + [ThrottlingReason](API_ThrottlingReason.md) + [TrustedAdvisorCategorySpecificSummary](API_TrustedAdvisorCategorySpecificSummary.md) + [TrustedAdvisorCheckDescription](API_TrustedAdvisorCheckDescription.md) + [TrustedAdvisorCheckRefreshStatus](API_TrustedAdvisorCheckRefreshStatus.md) + [TrustedAdvisorCheckResult](API_TrustedAdvisorCheckResult.md) + [TrustedAdvisorCheckSummary](API_TrustedAdvisorCheckSummary.md) + [TrustedAdvisorCostOptimizingSummary](API_TrustedAdvisorCostOptimizingSummary.md) + [TrustedAdvisorResourceDetail](API_TrustedAdvisorResourceDetail.md) + [TrustedAdvisorResourcesSummary](API_TrustedAdvisorResourcesSummary.md)