[Home](./index.md) > [@digitalpersona/services](./services.md) > [Policy](./services.policy.md) ## Policy interface A single authentication policy rule, as a list of [policy elements](./services.policyelement.md). When matching a list of against the policy, the policy is satisfied when \*\*every\*\* [policy elements](./services.policyelement.md) in the list is satisfied too. Signature: ```typescript export interface Policy ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [policy](./services.policy.policy.md) | PolicyElement[] | A list of [policy elements](./services.policyelement.md) to match against a list of . |