# config/keys
Return a list of all key names matching the given prefix.
## Syntax
[config/keys "prefix"]
## Parameters
- `"prefix"` — key prefix to match. Pass `""` to list every registered key.
## Examples
[config/keys "log/"] [config/keys ""] # all keys
## Returns
List of key-name strings.
## See Also
`config/scan`, `config/count`, `config/get`