# http/ws-on-close Register a callback fired when a WebSocket connection closes. ## Syntax

[http/ws-on-close $conn $fn]

## Parameters - `$conn` — `ws_conn` resource - `$fn` — closure invoked with the (now-closed) `ws_conn` resource ## Examples

[http/ws-on-close $conn {|c|
  echo "connection closed"
}]

## Returns `nil`. ## See Also `http/ws-on-message`, `http/ws-close`, `http/ws-connect`