GramJS

const { Api, TelegramClient } = require("telegram");
const { StringSession } = require("telegram/sessions");

const session = new StringSession(""); // You should put your string session here
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
  await client.connect(); // This assumes you have already authenticated with .start()

  const result = await client.invoke(
    new Api.channels.GetAdminLog({
      channel: "username",
      q: "some string here",
      maxId: 0,
      minId: 0,
      limit: 100,
      eventsFilter: new Api.ChannelAdminLogEventsFilter({
        join: true,
        leave: true,
        invite: true,
        ban: true,
        unban: true,
        kick: true,
        unkick: true,
        promote: true,
        demote: true,
        info: true,
        settings: true,
        pinned: true,
        groupCall: true,
        invites: true,
        send: true,
      }),
    })
  );
  console.log(result); // prints the result
})();

import { Api, TelegramClient } from "telegram";
import { StringSession } from "telegram/sessions";

const session = new StringSession(""); // You should put your string session here
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
  await client.connect(); // This assumes you have already authenticated with .start()

  const result: Api.channels.AdminLogResults = await client.invoke(
    new Api.channels.GetAdminLog({
      channel: "username",
      q: "some string here",
      maxId: 0,
      minId: 0,
      limit: 100,
      eventsFilter: new Api.ChannelAdminLogEventsFilter({
        join: true,
        leave: true,
        invite: true,
        ban: true,
        unban: true,
        kick: true,
        unkick: true,
        promote: true,
        demote: true,
        info: true,
        settings: true,
        pinned: true,
        groupCall: true,
        invites: true,
        send: true,
      }),
    })
  );
  console.log(result); // prints the result
})();