---
title: "isInert(ignoringChildren:)"
framework: usdkit
role: symbol
role_heading: Instance Method
path: "usdkit/usdlayer/spec/fieldcollection/isinert(ignoringchildren:)"
---

# isInert(ignoringChildren:)

Returns a Boolean value that indicates whether the spec contains no authored data.

## Declaration

```swift
func isInert(ignoringChildren: Bool = false) -> Bool
```

## Parameters

- `ignoringChildren`: Pass true to skip child specifier lists when evaluating inertness.

## Return Value

Return Value true if the spec has no authored data.