Message

Field	Type	Description
`id`	`ID!`
`conversationId`	`ID!`
`parentId`	`ID`
`seq`	`Int!`
`role`	`String!`
`createdBy`	`ID`
`senderType`	`String!`	Sender kind: user, webhook, service_account, integration, agent or system.
`senderId`	`ID`	Identifier of the sender: the participant or agent for an agent message, otherwise the author.
`senderDisplayName`	`String`
`parts`	`JSON!`
`model`	`String`
`runUsage`	`MessageRunUsage`	Token usage and cost of the whole run that produced an assistant message, or null when none is recorded.
`tokenUsage`	`JSON`
`finishReason`	`String`
`costCredits`	`String`
`status`	`String!`
`editedAt`	`String`
`idempotencyKey`	`String`
`metadata`	`JSON`
`createdAt`	`String!`
`updatedAt`	`String`