# Data Types The AWS IoT Events Data 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: + [AcknowledgeActionConfiguration](API_AcknowledgeActionConfiguration.md) + [AcknowledgeAlarmActionRequest](API_AcknowledgeAlarmActionRequest.md) + [Alarm](API_Alarm.md) + [AlarmState](API_AlarmState.md) + [AlarmSummary](API_AlarmSummary.md) + [BatchAlarmActionErrorEntry](API_BatchAlarmActionErrorEntry.md) + [BatchDeleteDetectorErrorEntry](API_BatchDeleteDetectorErrorEntry.md) + [BatchPutMessageErrorEntry](API_BatchPutMessageErrorEntry.md) + [BatchUpdateDetectorErrorEntry](API_BatchUpdateDetectorErrorEntry.md) + [CustomerAction](API_CustomerAction.md) + [DeleteDetectorRequest](API_DeleteDetectorRequest.md) + [Detector](API_Detector.md) + [DetectorState](API_DetectorState.md) + [DetectorStateDefinition](API_DetectorStateDefinition.md) + [DetectorStateSummary](API_DetectorStateSummary.md) + [DetectorSummary](API_DetectorSummary.md) + [DisableActionConfiguration](API_DisableActionConfiguration.md) + [DisableAlarmActionRequest](API_DisableAlarmActionRequest.md) + [EnableActionConfiguration](API_EnableActionConfiguration.md) + [EnableAlarmActionRequest](API_EnableAlarmActionRequest.md) + [Message](API_Message.md) + [ResetActionConfiguration](API_ResetActionConfiguration.md) + [ResetAlarmActionRequest](API_ResetAlarmActionRequest.md) + [RuleEvaluation](API_RuleEvaluation.md) + [SimpleRuleEvaluation](API_SimpleRuleEvaluation.md) + [SnoozeActionConfiguration](API_SnoozeActionConfiguration.md) + [SnoozeAlarmActionRequest](API_SnoozeAlarmActionRequest.md) + [StateChangeConfiguration](API_StateChangeConfiguration.md) + [SystemEvent](API_SystemEvent.md) + [Timer](API_Timer.md) + [TimerDefinition](API_TimerDefinition.md) + [TimestampValue](API_TimestampValue.md) + [UpdateDetectorRequest](API_UpdateDetectorRequest.md) + [Variable](API_Variable.md) + [VariableDefinition](API_VariableDefinition.md)