Promocodes

Code:

[
  {
    "Automatically Fill To (Amount)": 1,
    "Codes": [
      "2018-187-v1"
    ],
    "Commands": [
      {
        "Parameters": [
          "{username} benutze einen Bonuscode!"
        ],
        "Command": "say"
      },
      {
        "Parameters": [
          "supply.signal",
          "1",
        ],
        "Command": "inventory.give"
      }
    ]
  }
]

Dont Work ._. why?