How to find the item ID from https://maples.im/
1. equip the item you want to find the id for.
2. In the Quick Viewwindow click on the item name (blue text).
3. In the new window/tab you will have the item id listed in the url after item/. For example https://maplestory.wiki/GMS/latest/item/1000019/green-goya-hat