{
  "FieldLOV_Popup_Basic_Grid":{ 
    "table":"cust",
    "layout":"grid",
    "caption": "Basic Popup LOV - Grid",
    "fields": [
      {"name": "cust_id", "caption": "Customer ID", "control": "label"},
      {"name": "cust_name", "caption": "Customer Name", "control": "textbox"},
      {"name": "cust_parent_id", "caption": "Parent Customer ID", "control": "textbox","popuplov":{ "target":"FieldLOV_Popup_Cust_LOV", "code_val":"cust_id" }}
    ]
  }
}