Copy a directory tree. Requires target to be empty
| Number | Type | Compulsory | Default | Description | 
| 1 | string | Yes | Source directory | |
| 2 | string | Yes | Target directory | 
Return type: string
| Value | Description | 
| success | Operation successful | 
| failed | Operation failed | 
| incomplete | Operation partially completed: some files were not copied | 
| notempty | Target already exists and was not empty | 
| sourcenotexist | Source does not exist | 
| unknown | Unknown error | 
| ▲Function Summary▲ | ||
| ◄ CopyDivisionData | CopyURL ▶ | |