# EventSummary
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Details about a timeline event during an incident.

## Contents
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 ** eventId **   <a name="IncidentManager-Type-EventSummary-eventId"></a>
The timeline event ID.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 50.  
Required: Yes

 ** eventTime **   <a name="IncidentManager-Type-EventSummary-eventTime"></a>
The timestamp for when the event occurred.  
Type: Timestamp  
Required: Yes

 ** eventType **   <a name="IncidentManager-Type-EventSummary-eventType"></a>
The type of event. The timeline event must be `Custom Event` or `Note`.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 100.  
Required: Yes

 ** eventUpdatedTime **   <a name="IncidentManager-Type-EventSummary-eventUpdatedTime"></a>
The timestamp for when the timeline event was last updated.  
Type: Timestamp  
Required: Yes

 ** incidentRecordArn **   <a name="IncidentManager-Type-EventSummary-incidentRecordArn"></a>
The Amazon Resource Name (ARN) of the incident that the event happened during.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1000.  
Pattern: `arn:aws(-cn|-us-gov)?:[a-z0-9-]*:[a-z0-9-]*:([0-9]{12})?:.+`   
Required: Yes

 ** eventReferences **   <a name="IncidentManager-Type-EventSummary-eventReferences"></a>
A list of references in a `TimelineEvent`.  
Type: Array of [EventReference](API_EventReference.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 10 items.  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ssm-incidents-2018-05-10/EventSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ssm-incidents-2018-05-10/EventSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ssm-incidents-2018-05-10/EventSummary)