# spec\_version

#### spec\_version

A string with information describing the version of the specification.

**Type**: string

**Format:** [version\_string](https://hh-specs.handhistory.org/string-formats/less-than-version_obj-greater-than)

{% hint style="danger" %}
The current hand history specification version is "1.4.8"
{% endhint %}

**Example:**

```javascript
"spec_version": "1.4.8"
```