{ 
  "FormSubform_ReadOnlyParent_Cust_Container": {
    "table":"cust",
    "layout":"form",
    "actions":"B",
    "caption":["Customer","Customers"],
    "fields":[
      {"name":"cust_name","caption":"Name"},
      {"control": "subform","target": "FormSubform_ReadOnlyParent_Cust","actions":"BIU"}
    ]
  },
  "FormSubform_ReadOnlyParent_Cust": {
    "table":"cust",
    "layout":"form",
    "caption":["Customer","Customers"],
    "fields":[
      {"name":"cust_name","caption":"Name"},
      {"name":"cust_sts","caption":"Status"}
    ]
  }
}