Struct Message 

pub struct Message {
    pub role: MessageRole,
    pub content: String,
    pub uuid: Option<String>,
    pub attachments: Option<Vec<Attachment>>,
    pub tool_call_id: Option<String>,
    pub tool_calls: Option<Vec<ToolCall>>,
    pub is_error: Option<bool>,
    pub is_meta: Option<bool>,
    pub is_api_error_message: Option<bool>,
    pub error_details: Option<String>,
}

Fields

role: MessageRole

content: String

uuid: Option<String>

Unique identifier for this message (used by session memory to track extraction boundary)

attachments: Option<Vec<Attachment>>

tool_call_id: Option<String>

Tool call ID for tool role messages (required by OpenAI API)

tool_calls: Option<Vec<ToolCall>>

Tool calls for assistant messages (required to pair with tool results)

is_error: Option<bool>

Indicates if this message is an error (for tool results)

is_meta: Option<bool>

Indicates if this is a meta/system message (e.g., from prependUserContext)

is_api_error_message: Option<bool>

Indicates this assistant message was generated from an API error (not model-produced text)

error_details: Option<String>

Structured error details for API error messages (raw API error string)

Trait Implementations

impl Clone for Message

fn clone(&self) -> Message

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Message

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Message

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Message

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Message

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.