# A256KWUnwrapperOptions

Defined in: [packages/filecoin-encryption-envelope/src/recipients/types.ts:23](https://github.com/FilOzone/synapse-sdk/blob/d80afb89df823a5628b86ab0edae21dc95850f82/packages/filecoin-encryption-envelope/src/recipients/types.ts#L23)

Options for [createA256KWUnwrapper](/reference/filecoin-encryption-envelope/namespaces/recipients/functions/createa256kwunwrapper/).

## Properties

### maxAttempts?

> `readonly` `optional` **maxAttempts?**: `number`

Defined in: [packages/filecoin-encryption-envelope/src/recipients/types.ts:25](https://github.com/FilOzone/synapse-sdk/blob/d80afb89df823a5628b86ab0edae21dc95850f82/packages/filecoin-encryption-envelope/src/recipients/types.ts#L25)

Maximum AES-KW unwrap operations per unwrapper call. Positive safe integer; default 64.