{"command":{"effect":"write","timeoutSeconds":30,"inputSchema":{"type":"object","description":"**This endpoint allows you to schedule a specific date and time for your campaign to be sent.**\n\nIf you have the flexibility, it's better to schedule mail for off-peak times. Most emails are scheduled and sent at the top of the hour or half hour. Scheduling email to avoid those times (for example, scheduling at 10:53) can result in lower deferral rates because it won't be going through our servers at the same times as everyone else's mail.","properties":{"path":{"type":"object","properties":{"campaign_id":{"type":"integer"}},"required":["campaign_id"],"additionalProperties":false},"headers":{"type":"object","properties":{"on-behalf-of":{"type":"string","description":"The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You will use the parent account's API key when using this header. When making a call on behalf of a customer account, the property value should be \"account-id\" followed by the customer account's ID (e.g., `on-behalf-of: account-id <account-id>`). When making a call on behalf of a Subuser, the property value should be the Subuser's username (e.g., `on-behalf-of: <subuser-username>`). See [**On Behalf Of**](https://docs.sendgrid.com/api-reference/how-to-use-the-sendgrid-v3-api/on-behalf-of) for more information."}},"required":[],"additionalProperties":false},"body":{"title":"Schedule a Campaign request","type":"object","properties":{"send_at":{"type":"integer","description":"The unix timestamp for the date and time you would like your campaign to be sent out."}},"required":["send_at"],"examples":[{"send_at":1489771528}]}},"required":["path"],"additionalProperties":false},"name":"Schedule a Campaign","id":"sendgrid.lmc_campaigns.schedulecampaign","example":{"path":{"campaign_id":1}},"maxRequests":1,"summary":false}}