# Include Items in Letters {% hint style="info" %} **Items require Game Creator 2 Inventory module** If Inventory is detected when Mailbox is installed, the integration will be installed automatically. If you install Inventory afterward, you can manually trigger the integration check via the Unity toolbar: **Game Creator > Mailbox > Detect and Install Integration** {% endhint %}

**Adding Items to the Letter:**
Click the **➕ item** to include an item in the letter. Then, click inside the **None** field to select the item asset to be given.

**Customizing Item Details:**
To set the **amount** of the item or add **special properties** to the item, click the **small gray list icon on the item** to open the **details window**. Here, you can edit the **amount** and **properties**. Use the **Add Properties** button to include more properties.

**Receiving Items from a Letter:**
When the player **opens the letter** and **clicks the item**, they will receive the **specified amount** of the item along with its **set properties**.

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