cards

The card(s) added to the board during the round.

cards

The card(s) added to the board during the round.

Nullable: true

Can be omitted, null or an empty array If the betting round adds no cards to the board.

Type: array of card_string

Example:

Three flop cards: As, Kh, 5d

"cards": [
    "As",
    "Kh",
    "5d"
]