interface LambdaSubscriptionProps
Language | Type name |
---|---|
.NET | Amazon.CDK.AWS.SNS.Subscriptions.LambdaSubscriptionProps |
Java | software.amazon.awscdk.services.sns.subscriptions.LambdaSubscriptionProps |
Python | aws_cdk.aws_sns_subscriptions.LambdaSubscriptionProps |
TypeScript (source) | @aws-cdk/aws-sns-subscriptions » LambdaSubscriptionProps |
Properties for a Lambda subscription.
Example
import * as lambda from '@aws-cdk/aws-lambda';
const myTopic = new sns.Topic(this, 'MyTopic');
declare const fn: lambda.Function;
// Lambda should receive only message matching the following conditions on attributes:
// color: 'red' or 'orange' or begins with 'bl'
// size: anything but 'small' or 'medium'
// price: between 100 and 200 or greater than 300
// store: attribute must be present
myTopic.addSubscription(new subscriptions.LambdaSubscription(fn, {
filterPolicy: {
color: sns.SubscriptionFilter.stringFilter({
allowlist: ['red', 'orange'],
matchPrefixes: ['bl'],
}),
size: sns.SubscriptionFilter.stringFilter({
denylist: ['small', 'medium'],
}),
price: sns.SubscriptionFilter.numericFilter({
between: { start: 100, stop: 200 },
greaterThan: 300,
}),
store: sns.SubscriptionFilter.existsFilter(),
},
}));
Properties
Name | Type | Description |
---|---|---|
dead | IQueue | Queue to be used as dead letter queue. |
filter | { [string]: Subscription } | The filter policy. |
deadLetterQueue?
Type:
IQueue
(optional, default: No dead letter queue enabled.)
Queue to be used as dead letter queue.
If not passed no dead letter queue is enabled.
filterPolicy?
Type:
{ [string]:
Subscription
}
(optional, default: all messages are delivered)
The filter policy.