Double click the mouse to remove the last point. The final MSEG graph should look like this image. The red circles are added to show you the value required ...

https://www.apple.com/jp/logic-pro/resources/docs/alchemy_for_creative_loop_manipulation_0818.pdf

the values of a fixed set of parameters. For example, morphing between two sounds might involve transitioning between the respective filter values, envelope...

https://www.apple.com/jp/logic-pro/resources/docs/elemental_morphing_in_alchemy_0818.pdf