# aggregateSigners · FT4 TypeScript client · Chromia Docs (concept)

> aggregateSigners(
    ...authDescriptors:
        | AnyAuthDescriptor []
        | AnyAuthDescriptorRegistration [],
): Buffer<ArrayBufferLike>[] Utility m

Source: https://docs.chromia.com/pages/ft4-ts-client/functions/accounts.aggregateSigners/

Function

# aggregateSigners

* ```signature
  aggregateSigners(
      ...authDescriptors:
          | AnyAuthDescriptor[]
          | AnyAuthDescriptorRegistration[],
  ): Buffer<ArrayBufferLike>[]
  ```

  Utility method that accepts an array of any kind of auth descriptor/auth descriptor registration
  and returns an array of all of the signers represented by the provided objects.

  #### Parameters

  + ...authDescriptors: [AnyAuthDescriptor](https://docs.chromia.com/pages/ft4-ts-client/types/accounts.AnyAuthDescriptor/)[] | [AnyAuthDescriptorRegistration](https://docs.chromia.com/pages/ft4-ts-client/types/accounts.AnyAuthDescriptorRegistration/)[]

    the auth descriptors(registrations) over which to aggregate signers

  #### Returns Buffer<ArrayBufferLike>[]

  a list of all of the composing signers

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-ts-client/functions/accounts.aggregateSigners.html)Generated API reference, mirrored from the live docs