# NewRelic::Alert::NotificationChannel ChannelInput ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{ "Email" : ChannelInput, "PagerDuty" : ChannelInput, "Slack" : ChannelInput, "Webhook" : ChannelInput }### YAML
Email: ChannelInput PagerDuty: ChannelInput Slack: ChannelInput Webhook: ChannelInput## Properties #### Email _Required_: No _Type_: ChannelInput _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### PagerDuty _Required_: No _Type_: ChannelInput _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### Slack _Required_: No _Type_: ChannelInput _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### Webhook _Required_: No _Type_: ChannelInput _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)