on • AI Agent SDK

on: Decorator to register a function as a hook.

on

Method

This is a method of the HookRegistry class in the registry module.

Decorator to register a function as a hook.

Signature

def on(event: HookEvent, matcher: Optional[str], sequential: bool, timeout: float) -> Callable

Parameters

event · HookEvent · required

The event to hook

matcher · Optional

Optional regex pattern to match targets

sequential · bool · default: "False"

Whether to run sequentially

timeout · float · default: "60.0"

Timeout in seconds

Returns

Returns · Callable

Decorator function

Usage

@registry.on(HookEvent.BEFORE_TOOL)
    def my_hook(event_data):
        return HookResult.allow()

Uses

• asyncio.iscoroutinefunction
• register_function
• func
• wraps

Source

View on GitHub

praisonaiagents/hooks/registry.py at line 162