New to Lookup table. Need help


I have a log line the following format:

“St”: 2,

I have applied select_jsonpath to set field from json.
I need to use lookup table to get some values like parameter mt value 123 i need to replace from lookup to user1 and IP value to host name.

I want to use select_jsonpath to pipeline json fields.kindly help with the solution to implement lookup along with select_jsonpath

dup of Lookup table unable set value