Is uvm_config_db in field parameter is variable?

i know that

uvm_config_db#(type)::set(context, inst_name, field, value)
uvm_config_db#(type)::set(context, inst_name, field, value)

but i don’t know

where field declare is.

thank you for my reading Question

and i’m trying to better english skill

In reply to TierB:

The “field” is the string name of a variable. Technically there is no requirement that the string matches the name of the variable, but it makes your life easier if it does.

See
https://verificationacademy.com/cookbook/configuration

In reply to dave_59:

thx i appreciate you