[
 {
  "owner": "Administrator", 
  "docstatus": 0, 
  "creation": "2012-06-27 13:18:25", 
  "modified_by": "Administrator", 
  "modified": "2012-06-27 13:18:25"
 }, 
 {
  "name": "__common__", 
  "parent": "Maintenance Schedule-Maintenance Visit", 
  "doctype": "Table Mapper Detail", 
  "parenttype": "DocType Mapper", 
  "validation_logic": "docstatus=1", 
  "parentfield": "table_mapper_details"
 }, 
 {
  "map": "Yes", 
  "name": "__common__", 
  "parent": "Maintenance Schedule-Maintenance Visit", 
  "doctype": "Field Mapper Detail", 
  "parenttype": "DocType Mapper", 
  "parentfield": "field_mapper_details"
 }, 
 {
  "name": "__common__", 
  "to_doctype": "Maintenance Visit", 
  "module": "Support", 
  "doctype": "DocType Mapper", 
  "ref_doc_submitted": 1, 
  "from_doctype": "Maintenance Schedule"
 }, 
 {
  "name": "Maintenance Schedule-Maintenance Visit", 
  "doctype": "DocType Mapper"
 }, 
 {
  "match_id": 0, 
  "to_field": "customer", 
  "doctype": "Field Mapper Detail", 
  "from_field": "customer", 
  "checking_operator": "="
 }, 
 {
  "to_field": "maintenance_schedule", 
  "doctype": "Field Mapper Detail", 
  "match_id": 0, 
  "from_field": "name"
 }, 
 {
  "to_field": "prevdoc_docname", 
  "doctype": "Field Mapper Detail", 
  "match_id": 1, 
  "from_field": "parent"
 }, 
 {
  "to_field": "prevdoc_doctype", 
  "doctype": "Field Mapper Detail", 
  "match_id": 1, 
  "from_field": "parenttype"
 }, 
 {
  "match_id": 1, 
  "to_field": "maintenance_visit_details", 
  "doctype": "Table Mapper Detail", 
  "from_field": "item_maintenance_detail", 
  "from_table": "Maintenance Schedule Item", 
  "to_table": "Maintenance Visit Purpose"
 }, 
 {
  "to_table": "Maintenance Visit", 
  "doctype": "Table Mapper Detail", 
  "match_id": 0, 
  "from_table": "Maintenance Schedule"
 }
]