在sap中SD的相关的增强有一下几类：
Create New Fields (Using Condition Technique)
Create New Fields (Without Condition Technique)
Routines
User Exits
Business Transaction Events
Business Add-In
各类增强的细分列表如下：
• Create New Fields (Using Condition Technique)
o New Fields For Pricing
o New Fields For Free Goods Determination
o New Fields For Output Control
o New Fields For Account Determination
o New Fields For Listing/Exclusion
o New Fields For Material Determination
o New Fields for Batch Determination
• Create New Fields (Without Condition Technique)
o New Fields For Printing Documents
o Copy Customer Master Fields Into The Sales Document
o Copy Material Master Fields Into The Sales Document
o New Fields For Lists Of Sales And Distribution Documents
o Reserve Fields In The Customer Master Record
o New Fields For The Transfer To Accounting
o New Statuses
o New Fields For The Billing Interface
• Routines
Define Copying Requirements
Define FORM Routines For Data Transfers
Define Requirements
Define Formulas For Pricing
• User Exits
User Exits For Price Determination
User Exits for Partner Determination
User Exits For Credit Checks And Risk Management
User Exits in Sales
User Exits In Sales Document Processing
User Exits For Contract Processing
User Exits For Product Allocation Processing
User Exits For Availability Check
User Exits For Component Supply Processing
User Exits For Product Selection
User Exits for Billing Plan
User Exits For Resource-Related Billing
User Exits For Shipping
User Exits For Transportation
User Exits For Billing
User Exits For General Billing Interface
User Exits For Sales Support
User Exits For Lists
User Exits for Payment Cards
• Business Transaction Events（BTE）
• Business Add-In （BADI）
![SD-如何控制定价折扣的总额度[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)