# update

### **Usage**

```
vhsm nitride annotation update @values.json
```

* values.json: The JSON file containing the  updated annotation payload.

#### **Structure:@values.jsonjson**

* "key": The exact attestation value to update (plain text or base64). If it includes reserved URL characters (/, +, =), you may need to URL‑encode it when reading using cURL.
* "value": The new human‑readable label.
* "created" (optional): Unix timestamp; if omitted, the server sets it.

#### Flags

* [Global HTTP Options](/nitride/cli.md#global-options)
* [Output Options](/nitride/cli.md#output-options)
* [Command Options](/nitride/cli.md#command-options)

**Example**

Update an existing annotation

```
vhsm nitride annotation update @values.json
```

#### Output

```
Key        Value
---        -----
created    1756207744
key        8aFCxTWG5+IiPsdOX00aSUKVax/ZrHj6/N+FEXqjRdo=
value      Kernel Command Line / Enclaive Buckypaper v2.0.0 / 2025-08-25

```

**Detailed Explanation**

* key: Must match exactly what was used when creating the annotation. Base64 values are common; ensure correct encoding and consider URL‑encoding when passing keys with reserved characters using cURL.
* value: Returned from the stored annotation to make raw attestation values understandable.


---

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