POS_node/models/Collection.js

import mongoose from "mongoose";

const CollectionSchema = mongoose.Schema(
  {
    name: {
      type: String,
      // required: true, 
    },
    created_by: {
      type: mongoose.Schema.Types.ObjectId,
      ref: "User",
    },
    header: [
      {
        key: {
          type: String,
        },
        value: {
          type: String,
        },
        //required: true,
      },
    ],
  },
  { timestamps: true }
);

const Collection = mongoose.model("Collection", CollectionSchema);

export default Collection;