> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fluz.app/llms.txt
> Use this file to discover all available pages before exploring further.

# ObjectChangeHistoryActor

> Who performed an object change.

**Object**

Who performed an object change: the user who actually made the request or, when no user did, the system that made it, and the connected application the request came through, if any.

## Fields

<ResponseField name="userId" type="UUID">
  The user who made the change. Null when it was made by a system or by Fluz support.
</ResponseField>

<ResponseField name="system" type="String">
  The system that made the change when no user did, e.g. "virtual-card-service", or "cms" for a change made by Fluz support. Null when a user made the change.
</ResponseField>

<ResponseField name="applicationId" type="UUID">
  The connected application the change came through, if any.
</ResponseField>

<ResponseField name="applicationName" type="String">
  Application name as it was when the change happened.
</ResponseField>


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