fieldsPosts.json

{
  "fields": [
    {
      "name": "title",
      "type": "string"
    },
    {
      "name": "content",
      "type": "text"
    },
    {
      "name": "picture1",
      "type": "file"
    },
        {
      "name": "picture2",
      "type": "file"
    },
        {
      "name": "picture3",
      "type": "file"
    },
        {
      "name": "picture4",
      "type": "file"
    },
        {
      "name": "picture5",
      "type": "file"
    },

    {
      "name": "price",
      "type": "integer"
    },
    {
      "name": "category",
      "type": "select",
      "options": {
        "Multimedia": "Multimedia",
        "Immobilier": "Immobilier",
        "Vehicules": "Vehicules",
        "Loisirs": "Loisirs",
        "Materiel Pro": "Materiel Pro",
        "Services": "Services",
        "Maison": "Maison"
      }
    },
    {
      "name": "user_id",
      "type": "integer#unsigned"
    }
  ],
  "foreign_keys": [
    {
      "column": "user_id",
      "references": "id",
      "on": "users",
      "onDelete": "cascade"
    }
  ],
  "relationships": [
    {
      "name": "user",
      "type": "belongsTo",
      "class": "App\\User"
    }
  ],
  "validations": [
    {
      "field": "title",
      "rules": "required"
    },
    {
      "field": "content",
      "rules": "required"
    },
    {
      "field": "price",
      "rules": "required"
    }
  ]
}