# Data Types The TrustedAdvisor Public API 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: + [AccountRecommendationLifecycleSummary](API_AccountRecommendationLifecycleSummary.md) + [CheckSummary](API_CheckSummary.md) + [OrganizationRecommendation](API_OrganizationRecommendation.md) + [OrganizationRecommendationResourceSummary](API_OrganizationRecommendationResourceSummary.md) + [OrganizationRecommendationSummary](API_OrganizationRecommendationSummary.md) + [Recommendation](API_Recommendation.md) + [RecommendationCostOptimizingAggregates](API_RecommendationCostOptimizingAggregates.md) + [RecommendationPillarSpecificAggregates](API_RecommendationPillarSpecificAggregates.md) + [RecommendationResourceExclusion](API_RecommendationResourceExclusion.md) + [RecommendationResourcesAggregates](API_RecommendationResourcesAggregates.md) + [RecommendationResourceSummary](API_RecommendationResourceSummary.md) + [RecommendationSummary](API_RecommendationSummary.md) + [UpdateRecommendationResourceExclusionError](API_UpdateRecommendationResourceExclusionError.md)