attribute: disabled = true | false (default is false)

{
  "DataBaseTables": {
     "TableName": {
        "interface": {
        ....
 ******       "update_fields": [
          {"field": "org","name":"Org","disabled": true},
          ...
        ]
     }
  }
}

It shows the field as not editable and it is not sent in the submit