Trait Observer 

pub trait Observer: Send + Sync {
    // Required methods
    fn on_node_start(&self, node_name: &str, inputs: &Value);
    fn on_node_end(&self, node_name: &str, outputs: &Value);
    fn on_node_error(&self, node_name: &str, error: &str);
}

Observer trait for observing node execution events

Required Methods

fn on_node_start(&self, node_name: &str, inputs: &Value)

Called when a node starts execution

fn on_node_end(&self, node_name: &str, outputs: &Value)

Called when a node completes successfully

fn on_node_error(&self, node_name: &str, error: &str)

Called when a node encounters an error

Implementors

impl Observer for LangSmithObserver