User Help > Working With Documents > Managing Trace Relationships > To create a trace using drag-and-drop
  
To create a trace using drag-and-drop
The Create Trace operation is supported in multiple-row editing within the same document provided there are no pending changes.
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When a document is modified and the multiple-row editing is enabled, and if you try to create a trace, an error appears.
1. Open the documents that contain the content you want to create traces between.
2. Hold ALT and drag-and-drop one of the items to the item you want to create the trace relationship with, until you see a tooltip and an arrow. A status window opens.
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The direction of the drag-and-drop does not matter because the configuration automatically determines the proper relationship field and direction to trace.
3. Click OK.