dataweave expression to map json to flat file

Question

Im new to mulesoft, trying to extract database to a flatfile via json in mulesoft. Please help in writing dataweave expression for converting json payload to flatfile.

and my flat file schema is:

With the above I'm getting exception like:

Answer 1

It's expecting a map not an array(map in dataweave returns an array) If you want to ouptut an array, you need to modify your FFD schema so that it know its an array, using:

  - { idRef: 'PersonalInfo', count: '>1' } 
  - { idRef: 'CourseDetails', count: '>1' } 

That will fix your transform.