# rule_operator · FT4 Rell API · Chromia Docs (concept)

> enum rule_operator The comparison operator that the auth descriptor rule will use. Entries lt le eq ge gt

Source: https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.accounts/rule_operator/

ENUM

# rule\_operator

```signature
enum rule_operator
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/accounts/auth_descriptor_rule_expression.rell#lines-12)

The comparison operator that the auth descriptor rule will use.

## Entries

`lt`

`le`

`eq`

`ge`

`gt`

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-rell/-f-t4%20-library/lib.ft4.core.accounts/rule_operator/index.html)Generated API reference, mirrored from the live docs