Function setListSortDirection

setListSortDirection(sortByDirection): void
JMap.MapContext.setListSortDirection

Changes the map-context list sort direction. The change is persited in local storage.

"asc" : ascendant sort "desc" : descendant sort
Parameters
- sortByDirection: JMAP_CONTEXT_SORT_BY_DIRECTIONS
  "asc" or "desc"
Returns void
Throws
if sortByDirection param is not correct

Example
```
// make the sort ascendant
JMap.MapContext.setListSortDirection("asc")

// make the sort descendant
JMap.MapContext.setListSortDirection("desc")
```