ruby on rails 4 - How to write a common code block which can be used across multiple columns in index method of activeadmin -

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Let's say I run all the necessary values ​​(for multiple columns) in a hash. I want to use this hash in many columns. I do not want to repeat the code for each column. Where and how to write this common code?

Rail provides a solution that can be a solution: 

  ActiveAdmin.register User Index Column (with ID) - Option Category: "Highlight" | opts | Opts.column (: name) opts.column (: Email) opts.column (: last_ip) End column ( : Created_at) and end

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