cards

The cards involved in the action.

cards

The cards involved in the action.

Nullable: true

If no cards are involved in the action then the "cards" property can be omitted or set to null.

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).

Type: array of card_string

Example:

Eight of clubs and ten of clubs.

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

No cards.

"cards": null