The CAISMFI component was added with apar RO93293 (CARS1704) to add support for SMF enhancements delivered in z/OS 2.3. Please note that this apar is marked in error and you should install RO95015 (from CARS1705) which is the correcting apar.
APAR #: RO93293
Product: CAIRIM Release: 14.1 Solution #: 90 Type:
Title: SUPPORT FOR SMF ENHANCEMENTS IN Z/OS 2.3
Add support for SMF enhancements delivered in z/OS 2.3.
From the latest documentation which is available on docops.ca.com:
For the products that require SMF information, the CAI SMF Interceptor (CAISMFI) dynamically processes the SMF data independent of any SMF exits or SMF control settings.