# Approve Milestone

### Single & Multi Release

```typescript
/**
 * Approve Milestone Payload, this can be a single-release or multi-release
 */
export type ApproveMilestonePayload = {
  /**
   * ID (address) that identifies the escrow contract
   */
  contractId: string;

  /**
   * Index of the milestone to be updated
   */
  milestoneIndex: string;

  /**
   * New evidence of work performed by the service provider.
   */
  newEvidence?: string;

  /**
   * Address of the entity requiring the service.
   */
  approver: string;
};
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.trustlesswork.com/trustless-work/v2-en/introduction/developer-resources/types/payloads/approve-milestone.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.