on()

EIP-1193 events

Registers the listener function as callback of the selected RPC event.

Warning

This method will always return, even if there are errors while adding the listener, for controlling errors generated during the registration process use async onAsync(eventName, listener).

Type

on(eventName, listener): void

Parameters

Name	Type	Description
eventName	String	Event to listen. Depeding on the provider chain one of Constellation RPC event or an Ethereum RPC event.
listener	()=>any	Callback function.

Return Type

void

Example

TypeScript

provider.on("accountsChanged", () => {
  // Do something when accounts changed
});