> For the complete documentation index, see [llms.txt](https://hh-specs.handhistory.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hh-specs.handhistory.org/action-object/action_obj/cards.md).

# cards

#### cards

The cards involved in the action.

**Nullable:** true

{% hint style="info" %}
If no cards are involved in the action then the "cards" property can be omitted or set to null.
{% endhint %}

{% hint style="warning" %}
If less than the normal number of cards is known (for example if a player shows only one card when folding) then it is valid to list only the known card(s).
{% endhint %}

**Type:** array of [card\_string](/string-formats/card.md)

**Example:**

Eight of clubs and ten of clubs.

```javascript
"cards": [
    "8c",
    "Tc"
]
```

No cards.

```javascript
"cards": null
```


---

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