on()
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
});