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# ErrorMessage.Details.Info

An object (string-to-string map) with additional structured context for a specific validation failure.

```
object ErrorMessage.Details.Info
```

## Discussion

Each key names a piece of context specific to the failure, such as `field`, not a fixed field name. The `info` field is a free-form map rather than an object with named properties, so the reference page labels this key `Any Key`. For example, when a request fails because it omits the required `eventTime` filter, the top-level [`ErrorMessage`](/documentation/Apple-Ads-Platform-API/ErrorMessage) example shows a `details` entry with `info: { "field": "eventTime" }`, naming the missing field.

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