# Data Types The AWS Migration Hub Orchestrator 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: + [MigrationWorkflowSummary](API_MigrationWorkflowSummary.md) + [PlatformCommand](API_PlatformCommand.md) + [PlatformScriptKey](API_PlatformScriptKey.md) + [PluginSummary](API_PluginSummary.md) + [StepAutomationConfiguration](API_StepAutomationConfiguration.md) + [StepInput](API_StepInput.md) + [StepOutput](API_StepOutput.md) + [TemplateInput](API_TemplateInput.md) + [TemplateSource](API_TemplateSource.md) + [TemplateStepGroupSummary](API_TemplateStepGroupSummary.md) + [TemplateStepSummary](API_TemplateStepSummary.md) + [TemplateSummary](API_TemplateSummary.md) + [Tool](API_Tool.md) + [WorkflowStepAutomationConfiguration](API_WorkflowStepAutomationConfiguration.md) + [WorkflowStepGroupSummary](API_WorkflowStepGroupSummary.md) + [WorkflowStepOutput](API_WorkflowStepOutput.md) + [WorkflowStepOutputUnion](API_WorkflowStepOutputUnion.md) + [WorkflowStepSummary](API_WorkflowStepSummary.md)