The first step is to read the docs:
Database Administration | Reference | PROUTIL utility | PROUTIL IDXBUILD qualifier
This shows the syntax tree for the command. If you want to rebuild the indexes of a single table, rather than all indexes in the database, then replace "all" with "table
tablename". It's still a one-liner.
supplying all needed parms
I don't know your needs.
I suggest you read the relevant documentation; it's only four pages. Then create a list of parameters and their values that you think is sensible. If you want feedback on the list, provide it with relevant information about the database, the server, its workload, and why you are doing this idxbuild. I can't just feed you the finished answer.
Even if you do get feedback from me or others, ultimately you need to test, in your environment, with your data, to determine whether a given configuration meets your criteria for success, whatever they may be. Be sure to document your test attempts and the results.