@keplr-ewallet/ewallet-sdk-cosmos/src/methods/on.ts

import type {
  CosmosEWalletInterface,
  KeplrEWalletCosmosEventHandler2,
} from "@keplr-ewallet-sdk-cosmos/types";

export async function on(
  this: CosmosEWalletInterface,
  handlerDef: KeplrEWalletCosmosEventHandler2,
) {
  this.eventEmitter.on(handlerDef);
}