actor filter with dbm custom table

Hello there!!!

i have been looking on the documentation, but can't find any example of how can i make a actor filter using one bdm custom table.

i have a table that has 3 columns

userinit, userreview1, userreview2

What i need to do is when one of the user initiator of the process pick up his name and compare that on that table, and extract the name of the review1, and review2 for the approvals.

i don't know if this is posible but i hope i can do this on bonita.

if anybody have done this please explain me step by step or if you have a manual or documentation where can i find this please.

i am really new on bonita and i need to learn how make process and this things fast.

please help!!!!