# apr gbnf-lint
Lint a GBNF grammar-constrained observation (CRUX-C-10)
**Category**: Linters
## Synopsis
```text
apr gbnf-lint [OPTIONS]
```
## Example
```bash
apr gbnf-lint --help
```
## Full help
Run `apr gbnf-lint --help` for the complete option list.
## See also
- Source: [`crates/apr-cli/src/commands/gbnf_lint.rs`](https://github.com/paiml/aprender/blob/main/crates/apr-cli/src/commands/gbnf_lint.rs)
- Contract: [`contracts/apr-page-cli-gbnf-lint-v1.yaml`](https://github.com/paiml/aprender/blob/main/contracts/apr-page-cli-gbnf-lint-v1.yaml)