{"command":{"effect":"write","timeoutSeconds":30,"inputSchema":{"type":"object","description":"**This endpoint allows you to update one or more recipients.**\n\nThe body of an API call to this endpoint must include an array of one or more recipient objects.\n\nIt is of note that you can add custom field data as parameters on recipient objects. We have provided an example using some of the default custom fields SendGrid provides.","properties":{"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":{"type":"array","items":{"type":"object","properties":{"email":{"type":"string","format":"email"},"last_name":{"type":"string","description":"The last name of the recipient. This is one of the default custom fields."},"first_name":{"type":"string","description":"The first name of the recipient. This is one of the default custom fields."}},"required":["email"]},"examples":[[{"email":"jones@example.com","last_name":"Jones","first_name":"Guy"}]]}},"required":[],"additionalProperties":false},"name":"Update Recipient","id":"sendgrid.lmc_contactdb.updaterecipient","example":{},"maxRequests":1,"summary":false}}