That’s a good one but what i needed is something applicable for multiple clips..like for example i want clips 1, 2, 3, 4 to be 50% slow, then 5, 6, 7, 8 to be 30 % then same also to other clips. Selective copying paste & event attributes is my workaround with these but if other alternative like script is available to make it faster then i’ll go for it.