> For the complete documentation index, see [llms.txt](https://developer.firmhouse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.firmhouse.com/graphql-api/api-reference/objects/send-subscription-notification-input.md).

# SendSubscriptionNotificationInput

### Fields

#### clientMutationId ([String](/graphql-api/api-reference/objects/string.md))

A unique identifier for the client performing the mutation.

#### subscriptionId ([ID](/graphql-api/api-reference/objects/id.md)!)

#### subject ([String](/graphql-api/api-reference/objects/string.md)!)

Email subject or, when the project uses Klaviyo, the Klaviyo event name.

#### template ([String](/graphql-api/api-reference/objects/string.md)!)

Complete HTML/Liquid email content for the email channel or a Liquid JSON payload for the Klaviyo channel. Standard roots include \`subscription\` and \`project\`.