ad-fmcjesdadc1-ebz and KC705 triggered adc


Kindly tell me about the trigger port on fmcjesdadc1 board. please elaborate its functionality, Can it be used to trigger all 4 channels at same time?
In library folder there is an ip axi_adc_trigger, as shown in figure,

kindly tell me its integration in HDL referance design for 4 channel synchronized triggering.