[
 {
  "creation": "2013-02-22 01:27:49", 
  "docstatus": 0, 
  "modified": "2013-07-22 15:28:28", 
  "modified_by": "Administrator", 
  "owner": "Administrator"
 }, 
 {
  "doctype": "DocType", 
  "istable": 1, 
  "module": "Manufacturing", 
  "name": "__common__"
 }, 
 {
  "doctype": "DocField", 
  "in_list_view": 1, 
  "name": "__common__", 
  "parent": "BOM Operation", 
  "parentfield": "fields", 
  "parenttype": "DocType", 
  "permlevel": 0
 }, 
 {
  "doctype": "DocType", 
  "name": "BOM Operation"
 }, 
 {
  "doctype": "DocField", 
  "fieldname": "operation_no", 
  "fieldtype": "Data", 
  "label": "Operation No", 
  "oldfieldname": "operation_no", 
  "oldfieldtype": "Data", 
  "reqd": 1
 }, 
 {
  "doctype": "DocField", 
  "fieldname": "opn_description", 
  "fieldtype": "Text", 
  "label": "Operation Description", 
  "oldfieldname": "opn_description", 
  "oldfieldtype": "Text", 
  "reqd": 1
 }, 
 {
  "doctype": "DocField", 
  "fieldname": "workstation", 
  "fieldtype": "Link", 
  "label": "Workstation", 
  "oldfieldname": "workstation", 
  "oldfieldtype": "Link", 
  "options": "Workstation", 
  "reqd": 0
 }, 
 {
  "doctype": "DocField", 
  "fieldname": "hour_rate", 
  "fieldtype": "Float", 
  "label": "Hour Rate", 
  "oldfieldname": "hour_rate", 
  "oldfieldtype": "Currency", 
  "reqd": 0
 }, 
 {
  "doctype": "DocField", 
  "fieldname": "time_in_mins", 
  "fieldtype": "Float", 
  "label": "Operation Time (mins)", 
  "oldfieldname": "time_in_mins", 
  "oldfieldtype": "Currency", 
  "reqd": 0
 }, 
 {
  "allow_on_submit": 0, 
  "doctype": "DocField", 
  "fieldname": "operating_cost", 
  "fieldtype": "Float", 
  "label": "Operating Cost", 
  "oldfieldname": "operating_cost", 
  "oldfieldtype": "Currency", 
  "reqd": 0
 }
]