# str rollover()

[Family: Global](/imperivm/en/CKS/familias/global/)

## Exact signature

```text
str rollover()
```

## Description

Concatenates two selected strings and pushes an owned managed string result.

## Parameters and return type

**Return type:** `str`

This signature takes no additional arguments.

## Other overloads

Check the exact signature. A description of one overload does not automatically document the others.

- [`str rollover(Obj, bool)`](/imperivm/en/CKS/reference/api-df7deffdbfa5fb/)
- [`str rollover(Obj, str, bool)`](/imperivm/en/CKS/reference/api-b15f13dded5e72/)
- [`str rollover(Obj, str)`](/imperivm/en/CKS/reference/api-ae384d410c00e1/)

## Read and share

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Keep the notes and limitations when reusing this description. Do not infer undocumented parameter meanings, units or effects.