Add Members and Change Threshold

import * as multisig from "@sqds/multisig";
import { Connection, PublicKey } from "@solana/web3.js";

const { Permission, Permissions } = multisig.types;

const connection = new Connection("<your rpc url>", "confirmed");

// Change threshold config transaction
const ix = await multisig.instructions.configTransactionCreate({
  multisigPda,
  transactionIndex: newTransactionIndex,
  creator: member,
  actions: [{
    __kind: "ChangeThreshold",
    newThreshold: 3
  }],
});

actions: [{
  __kind: "AddMember",
  newMember: {
    key: newMemberPublicKey,
    permissions: Permissions.all(),
  }
}]

actions: [{
  __kind: "RemoveMember",
  oldMember: memberPublicKey
}]

actions: [{
  __kind: "ChangeThreshold",
  newThreshold: 3
}]