ALTER TABLE webhook_templates
    ADD COLUMN IF NOT EXISTS event_types JSONB NOT NULL DEFAULT '[]'::jsonb,
    ADD COLUMN IF NOT EXISTS mail_scope JSONB NOT NULL DEFAULT '{"all_accounts":true,"account_ids":[]}'::jsonb,
    ADD COLUMN IF NOT EXISTS drive_scope JSONB NOT NULL DEFAULT '{"all_folders":true,"folder_paths":[]}'::jsonb,
    ADD COLUMN IF NOT EXISTS contacts_scope JSONB NOT NULL DEFAULT '{"all_books":true,"book_ids":[]}'::jsonb;