# Event
<a name="API_Event"></a>

Represents a single occurrence of something interesting within the system. Some examples of events are creating a cluster or adding or removing a node.

## Contents
<a name="API_Event_Contents"></a>

 ** Date **   <a name="MemoryDB-Type-Event-Date"></a>
The date and time when the event occurred.  
Type: Timestamp  
Required: No

 ** Message **   <a name="MemoryDB-Type-Event-Message"></a>
The text of the event.  
Type: String  
Required: No

 ** SourceName **   <a name="MemoryDB-Type-Event-SourceName"></a>
The name for the source of the event. For example, if the event occurred at the cluster level, the identifier would be the name of the cluster.  
Type: String  
Required: No

 ** SourceType **   <a name="MemoryDB-Type-Event-SourceType"></a>
Specifies the origin of this event - a cluster, a parameter group, a security group, etc.  
Type: String  
Valid Values: `node | parameter-group | subnet-group | cluster | user | acl`   
Required: No

## See Also
<a name="API_Event_SeeAlso"></a>

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/memorydb-2021-01-01/Event) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/memorydb-2021-01-01/Event) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/memorydb-2021-01-01/Event)