---
title: FromChain
framework: driverkit
role: symbol
role_heading: Static Method
path: driverkit/iocommand/fromchain
---

# FromChain

## Declaration

```occ
static IOCommand * FromChain(queue_chain_t *link);
```

## Return Value

Return Value Queue used to queue commands.

## Discussion

Discussion Given the queue_chain_t from CommandChain, return the IOCommand instance.