5G pdcch-ConfigSIB1 configuration

Hello Experts.
How pdcch-ConfigSIB1 is config how to obtain the info whether CORESET0 and SEARCHSPACE0 is defined properly

The 8 bits are divided into 2 parts. Each 4 bits are used as an index to a table.
Sharetechnote has some good examples to illustrate

How to interpret the pdcchconfigsib1 how it works