Event • Rust AI Agent SDK

Event: An event in the event bus.

Event

Defined in the bus module.

Rust AI Agent SDK

An event in the event bus.

Fields

Name	Type	Description
event_type	EventType	Event type
source	String	Source of the event (agent name, tool name, etc.)
data	serde_json::Value	Event data
timestamp	u64	Timestamp (Unix millis)
correlation_id	Option<String>	Correlation ID for tracing

Methods

new

fn new(event_type: EventType, source: impl Into<String>) -> Self

Create a new event

Parameters:

Name	Type
event_type	EventType
source	impl Into<String>

data

fn data(mut self, data: serde_json::Value) -> Self

Set event data

Parameters:

Name	Type
data	serde_json::Value

correlation_id

fn correlation_id(mut self, id: impl Into<String>) -> Self

Set correlation ID

Parameters:

Name	Type
id	impl Into<String>

agent_start

fn agent_start(agent_name: impl Into<String>) -> Self

Create agent start event

Parameters:

Name	Type
agent_name	impl Into<String>

agent_end

fn agent_end(agent_name: impl Into<String>) -> Self

Create agent end event

Parameters:

Name	Type
agent_name	impl Into<String>

agent_error

fn agent_error(agent_name: impl Into<String>, error: impl Into<String>) -> Self

Create agent error event

Parameters:

Name	Type
agent_name	impl Into<String>
error	impl Into<String>

tool_start

fn tool_start(tool_name: impl Into<String>) -> Self

Create tool start event

Parameters:

Name	Type
tool_name	impl Into<String>

tool_end

fn tool_end(tool_name: impl Into<String>) -> Self

Create tool end event

Parameters:

Name	Type
tool_name	impl Into<String>

tool_error

fn tool_error(tool_name: impl Into<String>, error: impl Into<String>) -> Self

Create tool error event

Parameters:

Name	Type
tool_name	impl Into<String>
error	impl Into<String>

llm_request

fn llm_request(model: impl Into<String>) -> Self

Create LLM request event

Parameters:

Name	Type
model	impl Into<String>

llm_response

fn llm_response(model: impl Into<String>) -> Self

Create LLM response event

Parameters:

Name	Type
model	impl Into<String>

workflow_start

fn workflow_start(workflow_name: impl Into<String>) -> Self

Create workflow start event

Parameters:

Name	Type
workflow_name	impl Into<String>

workflow_end

fn workflow_end(workflow_name: impl Into<String>) -> Self

Create workflow end event

Parameters:

Name	Type
workflow_name	impl Into<String>

handoff_start

fn handoff_start(source: impl Into<String>, target: impl Into<String>) -> Self

Create handoff start event

Parameters:

Name	Type
source	impl Into<String>
target	impl Into<String>

handoff_end

fn handoff_end(source: impl Into<String>, target: impl Into<String>) -> Self

Create handoff end event

Parameters:

Name	Type
source	impl Into<String>
target	impl Into<String>

custom

fn custom(source: impl Into<String>, data: serde_json::Value) -> Self

Create custom event

Parameters:

Name	Type
source	impl Into<String>
data	serde_json::Value

Source

View on GitHub

praisonai/src/bus/mod.rs at line 73