{
  "name": "PaymentFor",
  "label": "Payment For",
  "isSingle": false,
  "isChild": true,
  "fields": [
    {
      "fieldname": "referenceType",
      "label": "Reference Type",
      "placeholder": "Type",
      "fieldtype": "Select",
      "options": [
        {
          "value": "SalesInvoice",
          "label": "Sales Invoice"
        },
        {
          "value": "PurchaseInvoice",
          "label": "Purchase Invoice"
        }
      ],
      "required": true
    },
    {
      "fieldname": "referenceName",
      "label": "Reference Name",
      "fieldtype": "DynamicLink",
      "references": "referenceType",
      "placeholder": "Name",
      "required": true
    },
    {
      "fieldname": "amount",
      "label": "Allocated Amount",
      "fieldtype": "Currency",
      "required": true
    }
  ]
}