This feature allow to quickly activate / load / unload elements.
                      To access this feature just do a right clic over the activation or opacity of a layer.
                    
 
                    
                    
                      Then you can either choose "expose as starter parameter" or "expose as automatic starter parameter: 
                      - Expose as starter parameter will result in the creation of an exposed parameter going from 0 to 100%. 
                      This exposed parameter will control load / activation / opacity of a layer behave as follows:
                      0%-2%: load / unload layer 
                      2%-3%: activate / deactivate layer 
                      3%-100%: Change layer opacity from 0% to 100% 
                    
 
                    
                    
                     
                    
                    
                      - Expose as automatic starter parameter will create a Boolean parameter (on / off button) that will have the same behavior as a starter parameter but set in min/seconds/frames instead of percentages: 
                    
