(aws-chatbot): Add notification topics to an existing SlackChannelConfiguration construct

[gshpychka]

I'm looking for the ability to add SNS notificaiton topics to a SlackChannelConfiguration object outside of its constructor.

Use Case

Define a channel configuration in one stack and add some SNS topics to it in another

Proposed Solution

This would probably be a addNotificationTopics class method.

This is a 🚀 Feature Request

[BenChaimberg]

Sure thing; just need to add a private property to SlackChannelConfiguration for notificationTopics and use Lazy.list for the insertion into the L1

aws-cdk/packages/@aws-cdk/aws-chatbot/lib/slack-channel-configuration.ts

Line 279 in ebfc0e0

snsTopicArns: props.notificationTopics?.map(topic => topic.topicArn),

I am unassigning myself and marking this issue as p2, which means that we are unable to work on this immediately.

We use +1s to help prioritize our work, and are happy to reevaluate this issue based on community feedback. You can reach out to the cdk.dev community on Slack to solicit support for reprioritization.

Please feel free to work on this issue yourself and request my review if you submit a PR or would like design help! See CONTRIBUTING.md for guidelines.

[github-actions]

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