developer:docs:clis:algokey:multisig:multisig.md•708 B
title: algokey multisig
---
## algokey multisig
Add a multisig signature to transactions from a file using a private key
```
algokey multisig [flags]
```
### Options
```
-h, --help help for multisig
-k, --keyfile string Private key filename
-m, --mnemonic string Private key mnemonic
-o, --outfile string Transaction output filename
-t, --txfile string Transaction input filename
```
### SEE ALSO
* [algokey](../../../algokey/algokey/) - CLI for managing Algorand keys
* [algokey multisig append-auth-addr](../append-auth-addr/) - Adds the necessary fields to a transaction that is sent from an account that was rekeyed to a multisig account