---
title: "+=(_:_:)"
framework: foundation
role: symbol
role_heading: Operator
path: "foundation/attributedstring/+=(_:_:)-4dk88"
---

# +=(_:_:)

Appends an attributed string to another attributed string.

## Declaration

```swift
static func += (lhs: inout AttributedString, rhs: AttributedString)
```

## Parameters

- `lhs`: An attributed string. After the operation, the value of this string is the original lhs string with rhs appended to it.
- `rhs`: An attributed string to append to lhs.

## See Also

### Combining Attributed Strings

- [append(_:)](foundation/attributedstring/append(_:).md)
- [+(_:_:)](foundation/attributedstring/+(_:_:)-8sbsq.md)
- [+(_:_:)](foundation/attributedstring/+(_:_:)-drfc.md)
- [+=(_:_:)](foundation/attributedstring/+=(_:_:)-6yimu.md)