Type Alias MessageOutputVersion

MessageOutputVersion: "v0" | "v1"

Represents the output version format for message content.

This type determines how the content field is structured in a message:

"v0": Content is represented as a simple string or array of content blocks
- provides backward compatibility with simpler content representations
"v1": Content follows the structured ContentBlock format with typed discriminated unions
- enables full type safety and structured content block handling

Example

// v0 format - simple content representation
const v0Message: Message<{ outputVersion: "v0", content: ... }> = {
  type: "human",
  content: "Hello world" // string | Array<ContentBlock | ContentBlock.Text>
};

// v1 format - structured content blocks
const v1Message: Message<{ outputVersion: "v1", content: ... }> = {
  type: "human",
  content: [
    { type: "text", text: "Hello world" },
    { type: "image", image_url: "..." }
  ] // Array<ContentBlock | ...> (determined by the structure)
};

Type Alias MessageOutputVersion

Example

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