# Blueprint Nodes
### Universal Intentory System
In this category we have a total of 8 functions, let's see each one.
> ***Add Item to Inv***
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> 
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> Attempts to add an item to the inventory.
>
> \
> \&#xNAN;***Object:*** The Object that will be used to call Interface events and that will be **DIRECTLY** linked to the Item.
>
> ***Item Info:*** The Item Information structure you want to add.
>
> ***Can Add to Existent:*** If true, it will try to add the item to an existing one with the same ID \
> (I recommend leaving it disabled, used in specific cases)
>
> ***Return:*** Returns true if the item was added successfully.
> ***Add Items to Inv***
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> 
>
> Adds multiple items to the inventory at once.
>
> The input is a map where each Object is mapped to its corresponding Item Info***.***
>
> ***Return:*** Returns true if you add at least one item to the inventory.
> ***End Use Item***
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> 
>
> Stops using an item based on its Item Info structure.
>
> Ending its usage like the Object-based function.
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> ***Return:*** Returns true if you successfully stopped using the item.
> ***End Use Item by Object***
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> 
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> Stops using an item referenced by a Object pointer.
>
> Ends the usage of the item (e.g., finishing drinking a potion).
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> ***Return:*** Returns true if you successfully stopped using the item.
> ***Remove Item from Inv***
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> 
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> Removes an item from the inventory by using its Item Info structure.
>
> Similar to the Object-based removal, but based on Item Info.
>
> ***Remove All Items:*** If enabled, it will remove the object from the inventory instead of reducing its quantity.
>
> ***Drop:*** Warns you if you are dropping the item or forcibly removing it.
>
> ***Return:*** Returns true if you successfully removed the item.
{% hint style="info" %}
You don't need to worry about calling this node after using an object, the system does it automatically :)
{% endhint %}
> ***Remove Item from Inv by Object***
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> 
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> Removes an item from the inventory by its Object reference.
>
> ***Remove All Items:*** If enabled, it will remove the object from the inventory instead of reducing its quantity.
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> ***Drop:*** Warns you if you are dropping the item or forcibly removing it.
>
> ***Return:*** Returns true if you successfully removed the item.
> ***Start Use Item by Object***
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> 
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> Starts using an item referenced by a Object pointer.
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> Executes any custom logic related to item usage (e.g., consuming a health potion).
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> ***Return:*** Returns true if you used the item successfully.
> ***Start Use Item***
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> 
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> Starts using an item based on its Item Info structure.
>
> Like the previous method, but uses item info instead of a direct object reference.
>
> ***Return:*** Returns true if you used the item successfully.
### Universal Intentory System | Info
In this subcategory we have a total of 9 functions, let's delve deeper into each of them.
> ***Can Add Item***
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> 
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> Determines if an item can be added to the inventory.
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> Considers constraints like inventory size and weight limits.
> ***Get Item by ID***
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> 
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> Searches the inventory for an item matching a specific Item ID and returns its Object and corresponding Item Info if found.
> ***Get Item Info by Object***
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> 
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> Retrieves the Item Info structure associated with a specific Object, providing details such as quantity and weight of the item.
> ***Get Item Quantity by ID***
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> 
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> Returns the exact number of items that the player has in the inventory, searches for the ID of a single item
> ***Get Items***
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> 
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> Retrieves the entire inventory map containing all items.
> ***Get Items Filtered***
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> 
>
> It looks like ***GetItems***, but organizes items with the same ID making them one.
>
> \
> [⬇️](https://emojiterra.com/pt/seta-para-baixo/)
>
> 
> ***Get Object by Item Info***
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> 
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> Finds and returns the Object associated with a given Item Info.
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> Useful for reverse lookups when only item info is available.
> ***Get Total Weight***
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> 
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> Calculates and returns the total weight of all items currently stored in the inventory.
> ***Player Has Item***
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> 
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> Checks if the player has any item in their inventory that matches a specific ItemID.
