To review your changes, retrieve the changelog of the transaction. For details about the transaction model of SPS, see How to configure SPS using REST.

URL

GET https:<IP-address-of-SPS>/api/transaction/changes

Cookies

Cookie name	Description	Required	Values
session_id	Contains the authentication token of the user	Required	The value of the session ID cookie received from the REST server in the authentication response, for example, a1f71d030e657634730b9e887cb59a5e56162860. For details on authentication, see Authenticate to the SPS REST API. Note that this session ID refers to the connection between the REST client and the SPS REST API. It is not related to the sessions that SPS records (and which also have a session ID, but in a different format).

Sample request

The following command retrieves the changelog of the transaction.

curl --cookie cookies https://<IP-address-of-SPS>/api/transaction/changes

Response

The response contains the list of changes performed in the transaction, as list of JSON objects. Every change has a type and a path, other elements depend on the type of the transaction. For example, when you delete an object, the changelog includes the deleted object in the old_value field.

Element	Type	Description
new_order	list	The new order of a list after the change. This field is available for reorder transactions.
new_value	string or JSON object	The value of the object after the change. For example, the new value of a parameter.
old_order	string or JSON object	The order of a list before the change. This field is available for reorder transactions.
old_value	string or JSON object	The value of the object before the change. For example, the value of a deleted object.
path	string	Path of the changed endpoint or object.
type	string	The type of the change. One of: create, delete, reorder, replace

The following is a sample response received if the changelog is empty.

{
  "meta": {
    "href": "/api/transaction/changes",
    "parent": "/api/transaction",
    "transaction": "/api/transaction"
  },
  "changes": []
}

The following is a sample changelog received after deleting a Channel policy.

{
  "meta": {
    "href": "/api/transaction/changes",
    "parent": "/api/transaction",
    "transaction": "/api/transaction"
  },
  "changes": [
    {
      "old_value": {
        "name": "deny",
        "rules": []
      },
      "path": "/api/configuration/ssh/channel_policies/94615110156697e93121f3",
      "type": "delete"
    }
  ]
}

Status and error codes

The following table lists the typical status and error codes for this request. For a complete list of error codes, see Application level error codes.

Code	Description	Notes
200	OK	Transaction changelog has been retrieved successfully.
401	Unauthenticated	The requested resource cannot be retrieved because the client is not authenticated and the resource requires authorization to access it. The details section contains the path that was attempted to be accessed, but could not be retrieved.
401	AuthenticationFailure	Authenticating the user with the given credentials has failed.
405	MethodNotAllowed	You tried using an unsupported HTTP method. Use the GET method to retrieve the changelog a transaction.