unable to understand the learning path Expand Your Domain Modeling Skills at 2.4.2

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hii members ,  i am unable to understand the Expand Your Domain Modeling Skills learning path , i am facing problem to make reusable snippet described at 7 point of  when i extact this snippet i get error   can some one make  me correct.
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Hi Sanjay,

Data source of the Match data view should be a listen to widget not context. And wrap the elements inside that data view into one container and then extract that container into a snippet.

 

Hope this helps :)

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