supplier { # Supplier
  n1: circle label:"Start Reorder Process"
  n2: diamond label:"Receive Reorder Process request"
  n3: rectangle label:"Review Reorder Process details"
  n5: rectangle label:"Update records for Reorder Process"
  n7: circle label:"End Reorder Process"
  n1.handle(right) -> n2.handle(left)
  n2.handle(right) -> n3.handle(left) [label="Yes/Approved"]
  n2.handle(bottom) -> warehouse.n4.handle(top) [label="No/Rejected"]
  n3.handle(right) -> n5.handle(left)
  n5.handle(bottom) -> warehouse.n6.handle(top)
}

warehouse { # Warehouse
  n4: rectangle label:"Make Reorder Process decision"
  n6: rectangle label:"Continue Reorder Process process"
  n6.handle(right) -> supplier.n7.handle(bottom)
  n4.handle(right) -> supplier.n5.handle(top)
}