# Inspect reference

- Inspect VMOs
  - [Extending the VMO format](https://fuchsia.dev/docs/reference/diagnostics/inspect/updating-vmo-format)
  - [Hosting VMOs](https://fuchsia.dev/docs/reference/diagnostics/inspect/tree)
- Validating Implementations
  - [Validator](https://fuchsia.dev/docs/reference/diagnostics/inspect/validator/README)
  - [Puppet](https://fuchsia.dev/docs/reference/diagnostics/inspect/validator/puppet)

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