Enum AgentSessionEvent 

pub enum AgentSessionEvent {
    Message {
        role: String,
        content: String,
        timestamp: u64,
    },
    ToolStart {
        tool_name: String,
        input: Value,
    },
    ToolEnd {
        tool_name: String,
        output: Result<Value, String>,
        duration_ms: u64,
    },
    Error {
        message: String,
        recoverable: bool,
    },
    ModelStart {
        model_id: String,
    },
    ModelEnd {
        model_id: String,
        duration_ms: u64,
        tokens_used: Option<u32>,
    },
    TokenUsage {
        input_tokens: u32,
        output_tokens: u32,
        cached_tokens: Option<u32>,
    },
    SessionStart {
        session_id: String,
    },
    SessionEnd {
        session_id: String,
        total_messages: u32,
    },
    ThinkingStart,
    ThinkingEnd {
        thoughts: String,
    },
    StreamChunk {
        content: String,
    },
    ToolCall {
        tool_name: String,
        arguments: Value,
    },
    ToolResult {
        tool_name: String,
        result: Value,
    },
    Custom {
        name: String,
        data: Value,
    },
}

Event types for the agent session

Variants

Message

A new message was received or sent

Fields

role: String

content: String

timestamp: u64

ToolStart

A tool started executing

Fields

tool_name: String

input: Value

ToolEnd

A tool finished executing

Fields

tool_name: String

output: Result<Value, String>

duration_ms: u64

Error

An error occurred

Fields

message: String

recoverable: bool

ModelStart

Model started generating a response

Fields

model_id: String

ModelEnd

Model finished generating a response

Fields

model_id: String

duration_ms: u64

tokens_used: Option<u32>

TokenUsage

Token usage update

Fields

input_tokens: u32

output_tokens: u32

cached_tokens: Option<u32>

SessionStart

Session started

Fields

session_id: String

SessionEnd

Session ended

Fields

session_id: String

total_messages: u32

ThinkingStart

Thinking block started

ThinkingEnd

Thinking block ended

Fields

thoughts: String

StreamChunk

Stream chunk received

Fields

content: String

ToolCall

Tool call requested

Fields

tool_name: String

arguments: Value

ToolResult

Tool result received

Fields

tool_name: String

result: Value

Custom

Custom event from extensions

Fields

name: String

data: Value

Trait Implementations

impl Clone for AgentSessionEvent

fn clone(&self) -> AgentSessionEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AgentSessionEvent

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

Formats the value using the given formatter.