Request
| Index Word | Description | 
| 0 | 
| Header | 0x00180044 | Cmd | 0x0018 | Param | 1 | Xlat | 4 |  | 
| 1 | Input account ID buffer size (count * (0x10 + 1), each being max. 16 characters ASCII + NULL terminator, total max size 0x800) | 
| 2 | Descriptor for copying 1 handle | 
| 3 | Completion event handle | 
| 4 | Descriptor for static buffer (id 0) | 
| 5 | Input account ID buffer pointer (max total size 0x800) | 
Response
| Index Word | Description | 
| 0 | 
| Header | 0x00180040 | Cmd | 0x0018 | Param | 1 | Xlat | 0 |  | 
| 1 | Result code | 
Description
Requests principal IDs corresponding to the given account IDs (Nintendo Network ID usernames).