Adm2 ?????? / Adm(1) - Ok

Greetings,
I am just starting to evaluate ADM2 effectively, I were a big fan of ADM(1) and really got to grips with it.
The whole new-idea of having to have a data src, because only that can access the DB is rather long-winded.
I have my Data Src / Query to retrieve data from the DB all is fine there. I then link this to a Smart Data Browse to display the data. I wish to have a control viewer (SDO) with radio-sets / combo-boxes / toggle boxes ... to 'filter' what I would like displayed. How do I combine this with my query SDO, because the control SDO will set variables for display triggers - How do I write my Query SDO to be able to function with the 'control' SDO. Do I have to write numerous queries for the different possibilities that my Control SDO may set and then Open that query ?
How do you change the Query that browse SDO is supplied by?
TIA
I will require syntax because I am new to ADM2

My old favourite from ADM(1) -
RUN get-attribute IN adm-broker-hdl (INPUT THIS-PROCEDURE ...) what is that now in ADM2?? also what is this
RUN get-link-handle (INPUT handle, 'Link-name', handle)
TIA
Regards
 
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