nCommand
Type of command to create. Possible values are:
| Value | Meaning | 
| COMMAND_C_STORE | [0x0001] Composite Store Command | 
| COMMAND_C_FIND | [0x0020] Composite Find Command | 
| COMMAND_C_GET | [0x0010] Composite Get Command | 
| COMMAND_C_MOVE | [0x0021] Composite Move Command | 
| COMMAND_C_CANCEL | [0x0FFF] Composite Cancel Command | 
| COMMAND_C_ECHO | [0x0030] Composite Echo Command | 
| COMMAND_N_REPORT | [0x0100] Normalized Report Command | 
| COMMAND_N_GET | [0x0110] Normalized Get Command | 
| COMMAND_N_SET | [0x0120] Normalized Set Command | 
| COMMAND_N_ACTION | [0x0130] Normalized Action Command | 
| COMMAND_N_CREATE | [0x0140] Normalized Create Command | 
| COMMAND_N_DELETE | [0x0150] Normalized Delete Command |