Set up granular MFA

const policy = await privy.policies().create({
  version: '1.0',
  name: 'Require MFA for wallet export',
  chain_type: 'ethereum',
  rules: [
    {
      name: 'Require MFA for private key export',
      method: 'exportPrivateKey',
      action: 'ALLOW_WITH_MFA',
      conditions: []
    },
    {
      name: 'Require MFA for seed phrase export',
      method: 'exportSeedPhrase',
      action: 'ALLOW_WITH_MFA',
      conditions: []
    },
    {
      name: 'Allow everything else',
      method: '*',
      action: 'ALLOW',
      conditions: []
    }
  ]
});

import {useUpdateWallet} from '@privy-io/react-auth';

const {updateWallet} = useUpdateWallet();

// policyId is the policy ID from your app's backend
await updateWallet('insert-wallet-id', {
  policy_ids: [policyId]
});