How to display Lag on Ativity Bar or Ativity Column

Hi Planners,
How can I show ’Lag’ on bars or activity columns in P3e. I tried all columns but I couldn’t found. In activity details , relationship tag, we have lag . but I need to show my client.
If anybody know how to represent lag on acitivity or it may not possible , please let me know.

Thanks

Minhas