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P4 CLI Documentation | 2025.2

# View a stream as of a specific changelist

The `StreamAtChange` option in the client spec lets you use the version of the stream specified as of a particular changelist to generate a workspace view. This is helpful when you want to see what the stream view was at a particular point in time. This might useful if your stream spec changes frequently, such as changing what you are importing or what you are sharing.

When you use the `StreamAtChange` option, you cannot submit changes to the files in the stream because your workspace view is not up to date.

To set a stream workspace to use the version of the stream specified as of a particular changelist:

1. Open the stream’s workspace specification form for editing with the `p4 client` command.

       p4 client

2. Edit the form to set `StreamAtChange` to the changelist you want. For example:

       StreamAtChange: 12546

Alternatively, use the `-S` option of `p4 client` to specify the stream and change for the view:

    p4 client -S //Ace/main@12546

or, use the p4 switch command to both set the `StreamAtChange` value and perform a sync to that change:

    p4 switch -r -v //Ace/main@12546

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