### Command: /add_trade_item item_index_id trade_slot quantity **Handler Macro:** COMMAND_ADD_TRADE_ITEM **Handler Value:** 185 **Required Status:** 0 **Arguments:** - `arg[0]`: `int item_index_id` - `arg[1]`: `int trade_slot` - `arg[2]`: `int quantity` **Notes:** - Adds the trade item in the item_index_id of the player inventory to the trade_slot with the quantity described.