---
title: "Update the Variable Snapshot for a Release"
method: POST
path: "/{spaceId}/releases/{releaseId}/snapshot-variables"
tags: ["Releases"]
---

# Update the Variable Snapshot for a Release

`POST /{spaceId}/releases/{releaseId}/snapshot-variables`

## Request

- Base URL: `https://demo.octopus.app/api`
- URL: `https://demo.octopus.app/api/{spaceId}/releases/{releaseId}/snapshot-variables`
- Auth: one of:
  - API key in header `X-Octopus-ApiKey`
  - API key in query parameter `ApiKey`
  - API key in header `X-NuGet-ApiKey`

## Path parameters

- `spaceId` string, required
- `releaseId` string, required

## Request body

- UpdateReleaseVariablesSnapshotCommandV1
  - `ReleaseId` string, required
  - `SpaceId` string, required
  - `VariableSnapshotConcurrencyToken` string: The VariableSnapshotConcurrencyToken read from the release. When supplied, the update fails with a conflict if the release's variable snapshots have changed since. Omit to skip the check.

## Response `200`

Confirmation that the Variable Snapshot for a Release was updated, containing the updated Release

- ReleaseResource
  - `Assembled` string, date-time
  - `BuildInformation` ReleasePackageVersionBuildInformationResource[]
    - `Branch` string
    - `BuildEnvironment` string
    - `BuildNumber` string
    - `BuildUrl` string
    - `Commits` CommitDetails[]
      - `Comment` string
      - `Id` string
      - `LinkUrl` string
    - `IssueTrackerName` string
    - `PackageId` string
    - `VcsCommitNumber` string
    - `VcsCommitUrl` string
    - `VcsRoot` string
    - `VcsType` string
    - `Version` string
    - `WorkItems` WorkItemLink[]
      - `Description` string
      - `Id` string
      - `LinkUrl` string
      - `Source` string
  - `ChannelId` string
  - `CustomFields` object
  - `Id` string: Gets or sets a unique identifier for this resource.
  - `IgnoreChannelRules` boolean
  - `LastModifiedBy` string: Gets or sets the username of the user who last modified this resource.
  - `LastModifiedOn` string, date-time: Gets or sets the date/time that this resource was last modified.
  - `LibraryVariableSetSnapshotIds` string[]: Snapshots of the project's included library variable sets. The snapshots are VariableSetResources, not LibraryVariableSetResources.
  - `Links` object: Gets or sets a dictionary of links to other related resources. These links can be used to navigate the resources on the server.
  - `ProjectDeploymentProcessSnapshotId` string
  - `ProjectId` string
  - `ProjectVariableSetSnapshotId` string
  - `ReleaseNotes` string
  - `SelectedGitResources` SelectedGitResource[]
    - `ActionName` string, required
    - `GitReferenceResource` GitReferenceResource, required
      - `GitCommit` string
      - `GitRef` string
    - `GitResourceReferenceName` string
  - `SelectedPackages` SelectedPackage[]
    - `ActionName` string
    - `PackageReferenceName` string
    - `StepName` string
    - `Version` string
  - `SpaceId` string
  - `VariableSnapshotConcurrencyToken` string: Identifies the release's current variable snapshots.
  - `Version` string, required
  - `VersionControlReference` SnapshotGitReferenceResource
    - `GitCommit` string
    - `GitRef` string
    - `VariablesGitCommit` string

## Other responses

- `400`: Bad request. Either the payload was not structurally valid or business rules did not permit the operation.
- `404`: Not found. One or more of the entities involved in the operation was not found.

---

[API](https://skmtc.dev/octopus/apis/octopus-server-api.md) - [All operations](https://skmtc.dev/octopus/apis/octopus-server-api/llms.txt) - [OpenAPI document](https://skmtc.dev/octopus/apis/octopus-server-api/revisions/fe937c07da34?raw)