Can I fade a container?

I have a group of UI objects that will are linked to a container.

I want to fade them out after a time, how do I implement this?

You can set their opacity to the linked objects opacity.

In the object properties, can I reference the properties directly with code?

say in Opacity, can I use something like SomeObject.opacity?

No, you can't do this in object properties. You have to do it with "On every tick" event.

At runtime you create an event that runs every tick where you set the object that doesn't have the fade to have the same opacity as the one that does.

If you have multiples of linked pairs, then you will have to pick part of the container in the condition.

Simply set the opacity for the item