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dhtmlxgrid
Event Handling

## onCollectValues Event

This event occurs after values were collected to fill select filter.

              grid.attachEvent("onCollectValues", function(index){
                        //any custom logic here
                        return true; //mandatory for default processing
              });

This event passes the following parameter:

- index - index of columns.

The event can be used to provide custom list of options for select filter.

              grid.attachEvent("onCollectValues", function(index){
                        if (index == 2)
                            return ["one","two","three"]; //options for select filter
                        else
                            return true; //default processing
              });