Did you know that you can reserve a dimension in Planning Analytics Workspace to prevent other people from editing the dimension while you are working on it? When you reserve a dimension, any changes are not saved until you commit the changes (unlike when you work on an unreserved dimension, when changes are saved instantly).
Here's how you reserve a dimension.
![](http://higherlogicdownload.s3.amazonaws.com/IMWUC/ContentImages/14b7e9d4-41c6-4ea1-b1a3-eda1a0655373-1-reserve1.gif)
When you have reserved a dimension, the icon changes to
![](http://higherlogicdownload.s3.amazonaws.com/IMWUC/ContentImages/14b7e9d4-41c6-4ea1-b1a3-eda1a0655373-2-reserve_dim_edit.jpg)
When you have finished making changes to the dimension, you can either commit the changes, or you can cancel them.
![](http://higherlogicdownload.s3.amazonaws.com/IMWUC/ContentImages/14b7e9d4-41c6-4ea1-b1a3-eda1a0655373-3-reserve_commit.gif)
If someone else tries to edit the dimension, they will see the lock icon in the dimension editor, and in the tree, next to the dimension name.
![](http://higherlogicdownload.s3.amazonaws.com/IMWUC/ContentImages/14b7e9d4-41c6-4ea1-b1a3-eda1a0655373-4-reserved_lock.jpg)
Here's how you release the lock on a dimension. If you do this, any unsaved changes made by the person who reserved the dimension are lost.
Note: When you reserve a dimension, you can edit only the dimension members and the hierarchy, not attributes or member security.
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