The attributes block

The attributes block contains information on how attributes will be shown both on the popup and the table. Each attribute definition can contain the following properties:

Field nameDescription


Optional. How this attribute will be shown in different parts of the Felt UI.


Optional. A numbro object that encodes how numeric fields should be shown.

Example of an attribute blocks block
"attributes": {
  "faa": {
    "displayName": "FAA Code",
    "format": {
      "mantissa": 0,
      "thousandSeparated": true
  "wikipedia": {"displayName": "Wikipedia"},

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