# LoginConfigRuleVariable · FT4 TypeScript client · Chromia Docs (concept)

> LoginConfigRuleVariable:
    | LoginConfigRelativeRuleVariable | AuthDescriptorRuleVariable

Source: https://docs.chromia.com/pages/ft4-ts-client/types/authentication.LoginConfigRuleVariable/

Type Alias

# LoginConfigRuleVariable

```signature
LoginConfigRuleVariable:
    | LoginConfigRelativeRuleVariable
    | AuthDescriptorRuleVariable
```

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-ts-client/types/authentication.LoginConfigRuleVariable.html)Generated API reference, mirrored from the live docs