Response data if UsageType is MQIACF_USAGE_BUFFER_POOL

BufferPoolId (MQCFIN)
Buffer pool identifier (parameter identifier: MQIACF_BUFFER_POOL_ID).

This identifies the buffer pool being used by the page set.

TotalBuffers (MQCFIN)
The number of buffers defined for specified buffer pool (parameter identifier: MQIACF_USAGE_TOTAL_BUFFERS).