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# Data Path property renamed

> Breaking change notice that the dataPath property in API validation error objects has been renamed to instancePath in 2023.2, with a new JSON Pointer format.

## Breaking change notice (2023.2.0)

Itential Platform 2023.2 introduces a breaking change that affects any custom logic depending on the `dataPath` property in an API error object.

## Input validation failures

Many APIs reported input validation failures as a list of validation report objects. These objects specified the individual property that caused the failure in a key called `dataPath`:

```json
[
  {
    "keyword": "type",
    "dataPath": ".failingProperty1",
    "schemaPath": "#/properties/failingProperty1/type",
    "params": { "type": "string" },
    "message": "should be string"
  },
  {
    "keyword": "type",
    "dataPath": ".failingProperty2",
    "schemaPath": "#/properties/failingProperty2/type",
    "params": { "type": "string" },
    "message": "should be string"
  }
]
```

In previous releases, the `dataPath` value was formatted as a dotted path:

```json
{
  "keyword": "type",
  "dataPath": ".my.nested.property",
  "schemaPath": "#/properties/my/properties/nested/properties/property/type",
  "params": { "type": "string" },
  "message": "should be string"
}
```

With the 2023.2 release, the `dataPath` property is renamed to `instancePath` and its value is formatted as a JSON Pointer:

```json
{
  "keyword": "type",
  "instancePath": "/my/nested/property",
  "schemaPath": "#/properties/my/properties/nested/properties/property/type",
  "params": { "type": "string" },
  "message": "should be string"
}
```

## What should I do?

Update any code referring to `dataPath` to use `instancePath` instead. If your logic uses the value of `dataPath` programmatically, update it to use the new JSON Pointer format.

> Breaking change notice that the dataPath property in API validation error objects has been renamed to instancePath in 2023.2, with a new JSON Pointer format.