# Amazon Neptune event categories and event messages
<a name="event-lists"></a>

Neptune generates a significant number of events in categories that you can subscribe to using the Neptune console. Each category applies to a source type, which can be a DB instance, DB snapshot, or DB parameter group.

**Note**  
Neptune uses existing Amazon RDS event definitions and IDs.

## Neptune events originating from DB instances
<a name="event-list-instance"></a>

The following table shows a list of events by event category when a DB instance is the source type.

[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/neptune/latest/userguide/event-lists.html)

## Neptune events originating from a DB cluster
<a name="event-list-cluster"></a>

The following table shows a list of events by event category when a DB cluster is the source type.

[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/neptune/latest/userguide/event-lists.html)

## Neptune events originating from DB cluster snapshot
<a name="event-list-cluster-snapshot"></a>

The following table shows the event category and a list of events when a Neptune DB cluster snapshot is the source type.


| Category | RDS event ID | Description | 
| --- | --- | --- | 
| backup | RDS-EVENT-0074 | Creation of a manual DB cluster snapshot has started. | 
| backup | RDS-EVENT-0075 | A manual DB cluster snapshot has been created. | 
| notification | RDS-EVENT-0162 | DB cluster snapshot export task failed. | 
| notification | RDS-EVENT-0163 | DB cluster snapshot export task canceled. | 
| notification | RDS-EVENT-0164 | DB cluster snapshot export task completed. | 
| backup | RDS-EVENT-0168 | Creating automated cluster snapshot. | 
| backup | RDS-EVENT-0169 | Automated cluster snapshot created. | 
| creation | RDS-EVENT-0170 | DB cluster created. | 
| deletion | RDS-EVENT-0171 | DB cluster deleted. | 
| notification | RDS-EVENT-0172 | Renamed DB cluster from [old DB cluster name] to [new DB cluster name]. | 

## Neptune events originating from DB cluster parameter group
<a name="event-list-parameter-group"></a>

The following table shows the event category and a list of events when a DB cluster parameter group is the source type.


| Category | RDS event ID | Description | 
| --- | --- | --- | 
| configuration change | RDS-EVENT-0037 | The parameter group was modified. | 

## Neptune events originating from a security group
<a name="event-list-security-group"></a>

The following table shows the event category and a list of events when a security group is the source type.


| Category | RDS event ID | Description | 
| --- | --- | --- | 
| configuration change | RDS-EVENT-0038 | The security group has been modified. | 
| failure | RDS-EVENT-0039 | The security group owned by [user] does not exist; authorization for the security group has been revoked. |