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`

rust

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`

rust

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

Set event data

Parameters:

Name	Type
`data`	`serde_json::Value`

`correlation_id`

rust

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

Set correlation ID

Parameters:

Name	Type
`id`	`impl Into<String>`

`agent_start`

rust

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

Create agent start event

Parameters:

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

`agent_end`

rust

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

Create agent end event

Parameters:

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

`agent_error`

rust

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`

rust

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

Create tool start event

Parameters:

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

`tool_end`

rust

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

Create tool end event

Parameters:

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

`tool_error`

rust

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`

rust

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

Create LLM request event

Parameters:

Name	Type
`model`	`impl Into<String>`

`llm_response`

rust

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

Create LLM response event

Parameters:

Name	Type
`model`	`impl Into<String>`

`workflow_start`

rust

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

Create workflow start event

Parameters:

Name	Type
`workflow_name`	`impl Into<String>`

`workflow_end`

rust

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

Create workflow end event

Parameters:

Name	Type
`workflow_name`	`impl Into<String>`

`handoff_start`

rust

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`

rust

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`

rust

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