Struct Event 

pub struct Event {
    pub id: String,
    pub invocation_id: String,
    pub author: String,
    pub content: Option<String>,
    pub actions: EventActions,
    pub timestamp: u64,
}

A structured event within an agent invocation.

Events form the audit trail of an agent session. They capture user messages, model responses, tool calls, state changes, and control flow actions.

Fields

id: String

Unique event ID.

invocation_id: String

Invocation ID grouping related events.

author: String

Who authored this event (e.g., “user”, agent name, tool name).

content: Option<String>

Optional text content of the event.

actions: EventActions

Actions triggered by this event.

timestamp: u64

Unix timestamp (seconds).

Implementations

impl Event

pub fn new(author: impl Into<String>, content: Option<String>) -> Self

Create a new event with the given author and optional content.

pub fn with_invocation(self, invocation_id: impl Into<String>) -> Self

Set the invocation ID.

pub fn with_actions(self, actions: EventActions) -> Self

Set actions on this event.

Trait Implementations

impl Clone for Event

fn clone(&self) -> Event

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Event

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Event

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Event

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

where __S: Serializer,

Serialize this value into the given Serde serializer.