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# nng_msg_set_pipe
## NAME
nng_msg_set_pipe --- set pipe for message
## SYNOPSIS
```c
#include <nng/nng.h>
void nng_msg_set_pipe(nng_msg *msg, nng_pipe p);
```
## DESCRIPTION
The `nng_msg_set_pipe()` sets the [pipe][pipe] associated with [message][msg] _m_ to _p_.
This is most often useful when used with protocols that support directing
a message to a specific peer.
For example the [_PAIR_][pair] version 1 protocol can do
this when `NNG_OPT_PAIR1_POLY` mode is set.
> [!NOTE]
> Not all protocols support overriding the destination pipe.
## SEE ALSO
[nng_msg_alloc][nng_msg_alloc],
[nng_msg_get_pipe][nng_msg_get_pipe]
{{#include ../refs.md}}
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