| 
   Available in LEADTOOLS Medical Imaging toolkits.  | 
N-ACTION-REQUEST Default Table
The following table provides default information about the Command Elements contained in the N-ACTION-REQUEST Command Set.
In the column headings the following abbreviations apply:
VR = Value Representation
VM = Value Multiplicity
In the Usage column the following abbreviations apply:
U = Use is a service user option.
C = Conditional
M = Mandatory
For more information about Value Representations, refer to Default Value Representation Table.
To see a list of the default tag constants for the command sets data elements, refer to Data Element Tag Constants for the Command Sets
| 
 Tag  | 
 Name  | 
 VR  | 
 VM  | 
 Usage  | 
| 
 0x00000003  | 
 Requested SOP Class UID  | 
 UI  | 
 1  | 
 M  | 
| 
 0x00000100  | 
 Command Field  | 
 US  | 
 1  | 
 0x0130  | 
| 
 0x00000110  | 
 Message ID  | 
 US  | 
 1  | 
 M  | 
| 
 0x00000800  | 
 Data Set Type  | 
 US  | 
 1  | 
 COMMAND_DATASET_PRESENT or COMMAND_DATASET_ABSENT  | 
| 
 0x00001001  | 
 Requested SOP Instance UID  | 
 UI  | 
 1  | 
 M  | 
| 
 0x00001008  | 
 Action Type ID  | 
 US  | 
 1  | 
 M  | 
| 
 Data Set  | 
 Action Information - Application-specific Data Set containing additional information related to the operation  | 
 
  | 
 
  | 
 U  |