---
title: "hasMemberInPlane(_:)"
framework: foundation
role: symbol
role_heading: Instance Method
path: "foundation/nscharacterset/hasmemberinplane(_:)"
---

# hasMemberInPlane(_:)

Returns a Boolean value that indicates whether the receiver has at least one member in a given character plane.

## Declaration

```swift
func hasMemberInPlane(_ thePlane: UInt8) -> Bool
```

## Parameters

- `thePlane`: A character plane.

## Return Value

Return Value true if the receiver has at least one member in thePlane, otherwise false.

## Discussion

Discussion This method makes it easier to find the plane containing the members of the current character set. The Basic Multilingual Plane (BMP) is plane 0.

## See Also

### Testing Set Membership

- [characterIsMember(_:)](foundation/nscharacterset/characterismember(_:).md)
- [isSuperset(of:)](foundation/nscharacterset/issuperset(of:).md)
- [longCharacterIsMember(_:)](foundation/nscharacterset/longcharacterismember(_:).md)