{ 
  "FieldLOV_ParentChild_CustomSQL": {
    "unbound":true,
    "layout":"form",
    "onecolumn":true,
    "caption":"Parent / Child List of Values - Custom SQL",
    "fields":[
      {
        "name":"cust_id",
        "control":"dropdown",
        "caption": "Customer",
        "lov":{
          "sql":"select cust_id code_val,cust_name code_txt from cust order by cust_name"
        }
      },
      {
        "name":"sale_id",
        "control":"dropdown",
        "caption":"Sales Order",
        "lov":{
          "parent":"cust_id",
          "sql2":"select cust_id code_parent, sale_id code_val, ('#'||sale_id) code_txt from v_sale order by sale_id"
        }
      }
    ]
  }
}