---
title: "Create a new Stack or add assets to an existing Stack"
method: POST
path: "/Documents.{Asset-type}.{Asset-subtype}:AssignLeadDocument?"
---

# Create a new Stack or add assets to an existing Stack

`POST /Documents.{Asset-type}.{Asset-subtype}:AssignLeadDocument?`

## Request body

- object
  - `leadIdentifier` string — The <a href= "https://developer.orangelogic.com/reference/assets#unique-identifiers">Unique ID</a> of the lead asset.
  - `trailIdentifiers` string — The <a href= "https://developer.orangelogic.com/reference/assets#unique-identifiers">Unique IDs</a> of new alternative versions to relate to the lead asset, separated by commas.

## Response `200`

200

---

[API](https://skmtc.net/orangelogic/apis/security.md) · [All operations](https://skmtc.net/orangelogic/apis/security/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/orangelogic/security/revisions/c8e945426c5e/schema)