--- title: "PrivateKey" slug: "common-apidatatype-privatekey" updated: 2026-09-17T09:25:01Z published: 2026-09-17T09:25:01Z canonical: "api.ncloud-docs.com/common-apidatatype-privatekey" --- > ## Documentation Index > Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # PrivateKey Available in Classic This is the private key information. ## Syntax The syntax is as follows. ``` private String privateKey; ``` ## Field The following describes the fields. | Field | Type | Required | Description | | --- | --- | --- | --- | | `privateKey` | String | Required | Private key - The key can be used to discover the password for a server instance (VM) |