| `home_enabled` | `boolean` | display the segment in the HOME folder or not - defaults to `false` |
| `fetch_version` | `boolean` | display the ruby version - defaults to `true` |
| `missing_command_text` | `string` | text to display when the command is missing - defaults to empty |
| `display_mode` | `string` | <ul><li>`always`: the segment is always displayed</li><li>`files`: the segment is only displayed when `*.rb`, `Gemfile` or `Rakefile` files are present (**default**)</li></ul> |
| `extensions` | `[]string` | allows to override the default list of file extensions to validate |