---
title: unsupported
description: A visible placeholder for anything that could not be materialized or rendered.
url: https://docs-v3-preview.elastic.dev/isomer/charts/unsupported
---

# unsupported
A visible placeholder for something that could not be materialized or rendered, so nothing is dropped or approximated silently.

| Field     | What it is                                                                                                                                                            |
|-----------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `title`   | The title of what could not be shown                                                                                                                                  |
| `reason`  | Why, in words a reader understands                                                                                                                                    |
| `link?`   | `{ href, label }`, where to see it instead, such as "Open in Kibana". `href` follows the SDK's [URL policy](https://docs-v3-preview.elastic.dev/isomer/sdk/url-trust) |
| `source?` | [Provenance](/isomer/charts/core#source)                                                                                                                              |