Hello How to make a when you equip a gun it plays animation ?

can someone say me how to make it? in CFrame Like this

i know how to make the animations but i dont get it how to make the animation play when he equips the gun

EquipAnim = function(char, speed, objs)
            ts:Create(objs[1],TweenInfo.new(0.25),{C1 = CFrame.new(0.340285569, 0, -0.0787199363, 0.962304771, 0.271973342, 0, -0.261981696, 0.926952124, -0.268561482, -0.0730415657, 0.258437991, 0.963262498)}):Play()
            wait(0.1)
            ts:Create(objs[2],TweenInfo.new(0.25),{C1 = CFrame.new(0.67163527, -0.310947895, -1.34432662, 0.766044378, -2.80971371e-008, 0.642787576, -0.620885074, -0.258818865, 0.739942133, 0.166365519, -0.965925872, -0.198266774)}):Play()
            wait(0.25)
            objs[4]:WaitForChild("Click"):Play()        
        end;