# Page Not Found

The URL `building-bots-on-symphony/messages/overview-of-messageml/entities/structured-objects` does not exist.

You might be looking for one of these pages:
- [Custom Entities](https://docs.developers.symphony.com/bots/messages/overview-of-messageml/entities/structured-objects.md)
- [Standard Entities](https://docs.developers.symphony.com/bots/messages/overview-of-messageml/entities/standard-entities.md)
- [Entities](https://docs.developers.symphony.com/bots/messages/overview-of-messageml/entities.md)
- [Table Select](https://docs.developers.symphony.com/bots/messages/overview-of-messageml/symphony-elements-1/table-select.md)
- [Buttons](https://docs.developers.symphony.com/bots/messages/overview-of-messageml/symphony-elements-1/buttons.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.developers.symphony.com/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.developers.symphony.com/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/bots/messages/overview-of-messageml/entities/structured-objects.md`)
- Use `Accept: text/markdown` header for content negotiation