[Home](./index.md) > [@workgrid/client](./client.md) > [Mutations](./client.mutations.md) > [notificationDetailViewed](./client.mutations.notificationdetailviewed.md) ## Mutations.notificationDetailViewed property > This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment. > Signature: ```typescript notificationDetailViewed: Mutation<['notificationDetailViewed'], { spaceId: string; id: string; }, Notification>; ```