Update command

{
  "type": "object",
  "required": [
    "duration"
  ],
  "properties": {
    "command": {
      "type": "object",
      "description": "Represents custom chat command",
      "required": [
        "args",
        "description",
        "name",
        "set"
      ],
      "properties": {
        "args": {
          "type": "string",
          "description": "Arguments help text, shown in commands auto-completion"
        },
        "created_at": {
          "type": "string",
          "format": "date-time",
          "description": "Date/time of creation"
        },
        "description": {
          "type": "string",
          "description": "Description, shown in commands auto-completion"
        },
        "name": {
          "type": "string",
          "description": "Unique command name"
        },
        "set": {
          "type": "string",
          "description": "Set name used for grouping commands"
        },
        "updated_at": {
          "type": "string",
          "format": "date-time",
          "description": "Date/time of the last update"
        }
      }
    },
    "duration": {
      "type": "string"
    }
  }
}