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

> Enumeration Members BlockHeight BlockHeight: "block_ height" BlockTime BlockTime: "block_ time" OpCount OpCount: "op_ count"

Source: https://docs.chromia.com/pages/ft4-ts-client/enums/accounts.AuthDescriptorRuleVariable/

Enumeration

# AuthDescriptorRuleVariable

On this page

* [Enumeration Members](#enumeration-members)
* [BlockHeight](#blockheight)
* [BlockTime](#blocktime)
* [OpCount](#opcount)

## Enumeration Members

### BlockHeight

```signature
BlockHeight: "block_height"
```

### BlockTime

```signature
BlockTime: "block_time"
```

### OpCount

```signature
OpCount: "op_count"
```

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