ユースケース: セッションメタデータ内の組織情報

/**
 * Post-Login Action (シンプル)
 * 組織コンテキストをセッションメタデータに追加し、後続のActions、
 * Management API、および(有効な場合)Back-Channel Logoutトークンに表示されるようにします。
 */
exports.onExecutePostLogin = async (event, api) => {
  // Only proceed if the transaction targets an Organization
  if (!event.organization) return;

  // Keep values short and string-only (session metadata requires strings)
  const orgId = String(event.organization.id || "");
  const orgSlug = String(event.organization.name || "");
  const orgDisplay = String(event.organization.display_name || orgSlug);

  // Minimal, idempotent writes (only a few keys to stay well under limits)
  api.session.setMetadata("org_id", orgId);
  api.session.setMetadata("org_slug", orgSlug);
  api.session.setMetadata("org_name", orgDisplay);
};

const orgId = event.session.metadata?.org_id;

GET /api/v2/sessions/{id}

{
  "session_metadata": {
    "org_id": "org_abc123",
    "org_slug": "acme",
    "org_name": "Acme Corp"
  }
}

{
  "events": { "http://schemas.openid.net/event/backchannel-logout": {} },
  "session_metadata": {
    "org_id": "org_abc123",
    "org_slug": "acme",
    "org_name": "Acme Corp"
  }
}