using OutwardModsCommunicator;
...
ItemDropChance myItem = new ItemDropChance();
myItem.ItemID = 4000360; // Dreamers root
myItem.DropChance = 30;
var payload = new EventPayload
{
    ["itemDropChance"] = myItem,
    ["enemyName"] = "Hyena", //Character.Name
    ["listExceptIds"] = new List<string>() { "yourEnemyId" },
};
EventBus.Publish("gymmed.loot_manager_*", "AddLootByEnemyName", payload);

using OutwardModsCommunicator;
...
List<ItemDropChance> drops = new();
ItemDropChance myFirstItem = new ItemDropChance();
myFirstItem.ItemID = 4000360; // Dreamers root
myFirstItem.DropChance = 30;
ItemDropChance mySecondItem = new ItemDropChance();
mySecondItem.ItemID = 6000170; // Purifying quartz
mySecondItem.DropChance = 30;
drops.Add(myFirstItem);
drops.Add(mySecondItem);
var payload = new EventPayload
{
    ["listOfItemDropChances"] = drops,
    ["enemyId"] = "JmeufMpL_E6eYnqCYP2r3w", // Elite Burning Man
};
EventBus.Publish("gymmed.loot_manager_*", "AddLootByEnemyId", payload);

using OutwardModsCommunicator;
...
int myItemId = 4000360; // Dreamers root
var payload = new EventPayload
{
    ["itemId"] = myItemId,
    ["isForBosses"] = true, // is for all bosses
};
EventBus.Publish("gymmed.loot_manager_*", "AddLootForUniques", payload);

using OutwardModsCommunicator;
...
var payload = new EventPayload
{
    ["filePath"] = "assemblyLocation/filePath.xml",
};
EventBus.Publish("gymmed.loot_manager", "LootRulesSerializer@SaveLootRulesToXml", payload);

using OutwardModsCommunicator;
...
var payload = new EventPayload
{
    //["filePath"] = "",
};
EventBus.Publish("gymmed.loot_manager", "LootRulesSerializer@SaveLootRulesToXml", payload);

using OutwardModsCommunicator;
...
public awake()
{
...
EventBus.Subscribe(
"gymmed.loot_manager",
"LootRuleRegistryManager@AppendLootRule", 
YourMethod
);
}
...
public static void YourMethod(EventPayload payload)
{
    if (payload == null) return;
    int lootRuleId = payload.Get<string>("lootRuleId", null);
    // You would compare it with your registered loot rule id that you can provide
    // Your code...
}

using OutwardModsCommunicator;
...
public awake()
{
...
EventBus.Subscribe(
"gymmed.loot_manager",
"LootRuleRegistryManager@RemoveLootRule", 
YourMethod
);
}
...
public static void YourMethod(EventPayload payload)
{
    if (payload == null) return;
    int lootRuleId = payload.Get<string>("lootRuleId", null);
    // You would compare it with your registered loot rule id that you can provide
    // Your code...
}