{
  "id": "conceal-card",
  "description": "Move a card to a concealment location without exposing it (palm, ditch, or lap)",
  "labels": {
    "en": "Conceal card",
    "es": "Ocultar carta",
    "fr": "Dissimuler une carte",
    "de": "Karte verbergen"
  },
  "family_ref": "concealment",
  "action_contract": {
    "parameters": {
      "card": {
        "required": false,
        "description": "The concealed card, named by token, when position does not identify it",
        "domain": "string"
      },
      "position": {
        "required": false,
        "description": "Position within source the card is taken from, when card is absent",
        "domain": "top | bottom | integer >= 1",
        "default": "top"
      },
      "technique": {
        "required": false,
        "description": "Portable technique name, when it matters",
        "domain": "string"
      }
    },
    "post_state_invariant": "The same card (named by card, or found at position) is in the target location and is not made visible by this action. It does not change identity, face, end orientation, marks, crimp or jog.",
    "post_state": {
      "state_schema_ref": "https://tamaraspec.org/schema/tcs-playing-cards-state-0.1.json",
      "effects": [
        {
          "op": "move",
          "select": {
            "card": {
              "param": "card"
            },
            "position": {
              "param": "position"
            }
          },
          "from": "source",
          "to": "target",
          "arrival": "singly"
        }
      ]
    }
  },
  "presents_as": "none"
}