How to pass props to a slot for a custom component in Svelte?

Passing data from layout to other pages failed using slot props #10640 svelte pass props to slot in the parent component when you create dynamic content Here is an example of how you can use these Composing Components 58 Passing data through slot props svelte pass props to slot pass props BOTH into a slotted component AND back out to the parent Svelte Tutorial

svelte get slot content BTW, sveltekit seems have changed some features in the svelte, like this slot props? If you want to pass dynamic data from the layout