# io.github.libtmux.kotlin.Session.expand

- **Module:** io.github.libtmux.kotlin
- **Package:** io.github.libtmux:libtmux-kotlin
- **Language:** Kotlin
- **Kind:** method
- **Source:** https://libtmux.org/en/kotlin/latest/reference/sources/libtmux-kotlin/build/generated/sources/operations/kotlin/io/github/libtmux/kotlin/SessionOperations.kt
- **Page:** https://libtmux.org/en/kotlin/latest/reference/io-github-libtmux-kotlin-session-expand/

```
public suspend fun Session.expand(format: String): String
```

Expands a tmux format in this session's context, and answers with what it came to.

## Parameters

- `format` (`String`)