Request[edit]

Index Word	Description
0	Header code [0x00030104]
1	NCCH Program ID
2	bool is_out_box?
3	message ID size (unused, always 8)
4	buffer size (unused)
5	Descriptor for mapping a read-only buffer in the target process
6	message ID address
7	Descriptor for mapping a write-only buffer in the target process
8	buffer address

Response[edit]

Index Word	Description
0	Header code [0x00030084]
1	Result code
2	Read size
3	Descriptor for mapping a read-only buffer in the target process
4	message ID address
5	Descriptor for mapping a write-only buffer in the target process
6	buffer address