Assuming pricebracket is required, the following result was found.
"Pricebook Item Default Rate: " + v_BooksItemRate; } if(m_PriceBookItem.get("pricing_scheme")=="volume") { for each m_PriceBracket in m_PriceBookItem.get("price_brackets") { if(v_ThisQuantity >= m_PriceBracket.get("start_quantity")) {...