Unity - Scripting API:

public static function ChangeSetMove(assets: VersionControl.AssetList, changeset: VersionControl.ChangeSet): VersionControl.Task;

public static function ChangeSetMove(asset: VersionControl.Asset, changeset: VersionControl.ChangeSet): VersionControl.Task;

public static function ChangeSetMove(assets: VersionControl.AssetList, changesetID: string): VersionControl.Task;

public static VersionControl.Task ChangeSetMove(VersionControl.AssetList assets, string changesetID);

public static function ChangeSetMove(asset: VersionControl.Asset, changesetID: string): VersionControl.Task;

public static VersionControl.Task ChangeSetMove(VersionControl.Asset asset, string changesetID);

Parameters

assets	List of asset to move to changeset.
changeset	Changeset to move asset to.
asset	Asset to move to changeset.
changesetID	ChangesetID to move asset to.

Move an asset or list of assets from their current changeset to a new changeset.

E.g. in Perforce checked out asset can be moved to a changetset other than the default changeset.