Open the Functions page of the Lambda console.
Choose a function.
Under Function overview, choose Add trigger.
Set the trigger type to EventBridge (CloudWatch Events).
For Rule, choose Create a new rule.
Configure the remaining options and choose Add.
xxxxxxxxxx
{
"version": "0",
"id": "fe8d3c65-xmpl-c5c3-2c87-81584709a377",
"detail-type": "RDS DB Instance Event",
"source": "aws.rds",
"account": "123456789012",
"time": "2020-04-28T07:20:20Z",
"region": "us-east-2",
"resources": [
"arn:aws:rds:us-east-2:123456789012:db:rdz6xmpliljlb1"
],
"detail": {
"EventCategories": [
"backup"
],
"SourceType": "DB_INSTANCE",
"SourceArn": "arn:aws:rds:us-east-2:123456789012:db:rdz6xmpliljlb1",
"Date": "2020-04-28T07:20:20.112Z",
"Message": "Finished DB Instance backup",
"SourceIdentifier": "rdz6xmpliljlb1"
}
}
https://docs.aws.amazon.com/lambda/latest/dg/services-cloudwatchevents.html