DataAnalysis-Tmp/models/requirementTree.js

const mongoose = require('mongoose');
const ContributionSchema = require('./contribution');
const Schema = mongoose.Schema;

const RequirementTreeSchema = new Schema({
  "requirement-tree-operations": Number,
  'requirement-tree-contribution': [ContributionSchema]
});

// const RequirementTree = mongoose.model('RequirementTree', RequirementTreeSchema);
module.exports = RequirementTreeSchema;