Items Usage Conditions

Use item notes to set the condition for using the item!
Use <use_condition>your_javascript_condition</use_condition>
your_javascript_condition - Your JavaScript condition.

Example (you can use an item only when the switches with numbers 1 and 2 are on):
<use_condition>
$gameSwitches.value(1) &&
$gameSwitches.value(2)
</use_condition>

Example (you can use an item only if the value of variable number 1 is greater than 10):
<use_condition>
$gameVariables.value(1) > 10
</use_condition>