// POST /v1/b2b/impersonation/authenticate
const stytch = require('stytch');

const client = new stytch.B2BClient({
  project_id: '${projectId}',
  secret: '${secret}',
});

const params = {
  impersonation_token: "${token}",
};

client.Impersonation.Authenticate(params)
  .then(resp => { console.log(resp) })
  .catch(err => { console.log(err) });

{
  "request_id": "<string>",
  "member_id": "<string>",
  "organization_id": "<string>",
  "member": {
    "organization_id": "<string>",
    "member_id": "<string>",
    "email_address": "<string>",
    "status": "<string>",
    "name": "<string>",
    "sso_registrations": [
      {
        "connection_id": "<string>",
        "external_id": "<string>",
        "registration_id": "<string>",
        "sso_attributes": {}
      }
    ],
    "is_breakglass": true,
    "member_password_id": "<string>",
    "oauth_registrations": [
      {
        "provider_type": "<string>",
        "provider_subject": "<string>",
        "member_oauth_registration_id": "<string>",
        "profile_picture_url": "<string>",
        "locale": "<string>"
      }
    ],
    "email_address_verified": true,
    "mfa_phone_number_verified": true,
    "is_admin": true,
    "totp_registration_id": "<string>",
    "retired_email_addresses": [
      {
        "email_id": "<string>",
        "email_address": "<string>"
      }
    ],
    "is_locked": true,
    "mfa_enrolled": true,
    "mfa_phone_number": "<string>",
    "default_mfa_method": "<string>",
    "roles": [
      {
        "role_id": "<string>",
        "sources": [
          {
            "type": "<string>",
            "details": {}
          }
        ]
      }
    ],
    "trusted_metadata": {},
    "untrusted_metadata": {},
    "created_at": "<string>",
    "updated_at": "<string>",
    "external_id": "<string>",
    "lock_created_at": "<string>",
    "lock_expires_at": "<string>"
  },
  "session_token": "<string>",
  "session_jwt": "<string>",
  "organization": {
    "organization_id": "<string>",
    "organization_name": "<string>",
    "organization_logo_url": "<string>",
    "organization_slug": "<string>",
    "sso_jit_provisioning": "<string>",
    "sso_jit_provisioning_allowed_connections": [
      "<string>"
    ],
    "sso_active_connections": [
      {
        "connection_id": "<string>",
        "display_name": "<string>",
        "identity_provider": "<string>"
      }
    ],
    "email_allowed_domains": [
      "<string>"
    ],
    "email_jit_provisioning": "<string>",
    "email_invites": "<string>",
    "auth_methods": "<string>",
    "allowed_auth_methods": [
      "<string>"
    ],
    "mfa_policy": "<string>",
    "rbac_email_implicit_role_assignments": [
      {
        "domain": "<string>",
        "role_id": "<string>"
      }
    ],
    "mfa_methods": "<string>",
    "allowed_mfa_methods": [
      "<string>"
    ],
    "oauth_tenant_jit_provisioning": "<string>",
    "claimed_email_domains": [
      "<string>"
    ],
    "first_party_connected_apps_allowed_type": "<string>",
    "allowed_first_party_connected_apps": [
      "<string>"
    ],
    "third_party_connected_apps_allowed_type": "<string>",
    "allowed_third_party_connected_apps": [
      "<string>"
    ],
    "custom_roles": [
      {
        "role_id": "<string>",
        "description": "<string>",
        "permissions": [
          {
            "resource_id": "<string>",
            "actions": [
              "<string>"
            ]
          }
        ]
      }
    ],
    "trusted_metadata": {},
    "created_at": "<string>",
    "updated_at": "<string>",
    "organization_external_id": "<string>",
    "sso_default_connection_id": "<string>",
    "allowed_oauth_tenants": {}
  },
  "intermediate_session_token": "<string>",
  "member_authenticated": true,
  "status_code": 123,
  "mfa_required": {
    "secondary_auth_initiated": "<string>"
  }
}