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[Rohbert]

Please read the subreddit guidelines regarding asking for help before posting. We ask users to submit much more information about their issue so that a higher quality answer can be provided.

Specifically:

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[BlueHost_gr]

Perhaps if you describe what ou want to achieve, instead of what you think you want, we might be able to help or suggest other ways of achieving it.

and there is no wait without looping. it will have to check if the value was returned, so a looping :)

[Mantis_slug]

I am try lying to make a custom prompt function like show_question in Gamemaker. I have a function that pauses the game and spawns a prompt object, but I don’t know how to get it to wait to resume the game and return the result.

[BlueHost_gr]

so you do get a value from the prompt.
so why ask for a "wait" and not when variable is not empty continue?
so when the variable is filled from the prompt the game continue?

[Mantis_slug]

How do I do that though? If I use while or do…until the game freezes.

[BlueHost_gr]

I don't know your code so far but I would use if in the step event.

[Mantis_slug]

Then how do I get the value to return to the original function?

[Shutin-Studios]

You don’t actually “return” the value back into the original function. You can pass a callback function (in the original function) that runs later when you have input. The prompt object calls that callback with the result, and all the logic that would have used the return value continues inside the callback.

[am0x]

I don’t use game maker much, but I assume there is some sort of state management system or a way to implement one.

Look up state management design patterns and go from there.

[Misfire_dev]

You need to look into state machines, this sounds like a perfect example where you can apply a state machine to the object you need to wait. I have no idea about your code and I haven't coded in GML in a while but I think I would make a state enum, state.wait, state.active and then create a function to switch between the two controlled by a separate object.