ASSERT( [ASSERT(expression)] findtext("hello","l", [findtext(T1 as text, T2 as text, [Start=1 as num],[End=0 as num])]
The tool-tip would display the name of the argument, the type of the argument, and if it's optional. (Optional would be decided if the argument has a default value)
The []s around the procedure are supposed to be tool-tip, by the way. ;)
~>Volte