Almost every object in Construct has AsJSON expression and "Set from JSON" action - you can use these. JSON will contain all object properties.
You can put all JSON strings into an array if you want, for easier storage.
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If you need to re-create the entire scene with lots of objects, it may be easier to use System Save/Load actions. After saving, you can get SaveStateJSON expression and saving it to a file - it will contain properties for all objects on the layout.
I also need a way to store the sprite data into an array!
Can you explain this in more detail?
It is necessary that the data be saved in json in the files below.
And export them