> ## Documentation Index
> Fetch the complete documentation index at: https://hedera-0c6e0218-docs--429.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ThresholdSignature

<Info>
  This message is deprecated and succeeded by [SignaturePair](/hedera/sdks-and-apis/hedera-api/basic-types/signature-pair) and [SignatureMap ](/hedera/sdks-and-apis/hedera-api/basic-types/signaturemap)messages.
</Info>

A signature corresponding to a ThresholdKey. For an N-of-M threshold key, this is a list of M signatures, at least N of which must be non-null.

| Field    | Type                                                                           | Description                                                                                       |
| -------- | ------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------- |
| `option` | ​deprecated=true                                                               | ​                                                                                                 |
| `sigs`   | ​[SignatureList](/hedera/sdks-and-apis/hedera-api/basic-types/signature-list)​ | for an N-of-M threshold key, this is a list of M signatures, at least N of which must be non-null |