how to create complex json using json_model pakage flutter

Question

"masses": [ { "Sunday": [ { "mass_timing": "7.00 AM", "mass_place": "First Mass", "mass_note": "English Mass" }, { "mass_timing": "7.00 AM", "mass_place": "First Mass", "mass_note": "English Mass" } ] }, { "Monday": [ { "mass_timing": "7.00 AM", "mass_place": "First Mass", "mass_note": "English Mass" }, { "mass_timing": "7.00 AM", "mass_place": "First Mass", "mass_note": "English Mass" } ] } ] My JSON is like this I need to create a JSON model using the package json_model can anyone help me to create the json_model dynamic json file to generate json serialization JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

Answer 1

I will suggest using https://app.quicktype.io/ as it's as it's name says, very quick and you don't need to add a package in your project but of course you need some little modifications on your model to customize it on your case, just choose dart and enjoy.