Which vray light types generate caustics??

Hello ,

Just wondering which types of vray lights generate caustics…

i have not been successfull with

vrayIES
vray sphere, dome, plane, mesh

the only vray light i was successfull with it the direct sunlight.

Is this right or am i missing some button :)?

best regards

my bad…all of them do :)))..they all jsut need different conditions to be visible:)