|   | 
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
Single string value providing status of operation as follows
| 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 | 
| 
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