SAP ABAP RAP Course in Hyderabad for Modern SAP Developers
                     WHAT IS LATE NUMBERING 
IN 
SAP RAP?
A BEGINNER'S GUIDE TO ASSIGNING KEYS AT SAVE TIME  |  
VISUALPATH
www.visualpath
+91 7032290546 [email protected] Ameerpet
.in
INTRODUCTION: WHY NUMBERING 
MATTERS
• RAP BUILDS MODERN BUSINESS 
APPLICATIONS USING ABAP Key idea
• EVERY BUSINESS OBJECT INSTANCE 
NEEDS A UNIQUE KEY Create now, receive 
the final number 
• LATE NUMBERING ASSIGNS THE FINAL KEY when saving.
AT SAVE TIME
• IT AVOIDS WASTED NUMBERS WHEN 
USERS CANCEL CHANGES
• THE NUMBERING APPROACH AFFECTS 
DATA QUALITY AND AUDITS
2
CORE CONCEPTS: WHAT IS LATE 
NUMBERING?
• A TEMPORARY KEY IS USED WHILE THE 
USER EDITS Definition
• THE FINAL KEY IS ASSIGNED DURING THE 
SAVE SEQUENCE Late numbering 
assigns the final key 
• NUMBER RANGES CAN STAY just before saving 
CONSECUTIVE WITHOUT GAPS data.
• ENABLED WITH A KEYWORD IN THE 
BEHAVIOR DEFINITION
• EARLY NUMBERING ASSIGNS KEYS 
SOONER, AT CREATE TIME
3
KEY COMPONENTS OF LATE 
NUMBERING
Implementation 
Behavior Definition Temporary Key
Class
Declares that the object Placeholder identity used ABAP class that holds 
uses late numbering while the user edits custom logic
ADJUST_NUMBERS Number Range Key Mapping
Saver method where final Source of unique, Links each temporary key 
keys are assigned consecutive key values to its final key
4
HOW IT WORKS: STEP BY STEP
1 User creates a new instance in the app
2 Framework assigns a temporary key during editing
3 User saves, and the save sequence begins
4 ADJUST_NUMBERS requests final numbers and maps them
5 Data is written to the database with final keys
5
TOOLS AND TECHNOLOGIES
ABAP Development 
Eclipse-based environment for building RAP objects
Tools
Behavior Definition Declares behavior, including late numbering
Number Range 
Provide consecutive keys, maintained in SNRO
Objects
Fiori Elements 
Tests the app quickly without extra UI code
Preview
EML and ABAP Unit Support automated testing of RAP behavior
6
REAL-WORLD USE CASES
Sales Finance Procurement Logistics
Consecutive Document Requests Delivery and 
order numbers numbers follow numbered only shipment IDs 
for clear audit legal sequence when actually assigned at save
trails rules saved
If gaps in numbering cause problems, consider late numbering.
7
BENEFITS AND CHALLENGES
Benefits Challenges
• No wasted numbers when users cancel • Final key is unknown until saving 
• Keeps number ranges consecutive for happens
audits • Needs careful key mapping for child 
• Final key reflects only saved data entities
• Requires extra implementation and 
testing effort
8
CAREER OPPORTUNITIES AND FUTURE 
TRENDS
Job Roles Skills Needed
ABAP RAP Developer, SAP Fiori Developer, ABAP, CDS views, RAP behavior, and 
SAP BTP Developer number range knowledge
Industry Demand Future Outlook
Strong demand as companies adopt SAP Cloud-ready RAP development, AI-assisted 
S/4HANA and clean core coding, and clean core practices
9
SUMMARY AND CONCLUSION
• LATE NUMBERING ASSIGNS FINAL KEYS AT 
SAVE TIME For More Information
• TEMPORARY KEYS ARE USED WHILE 
USERS EDIT
• ADJUST_NUMBERS MAPS TEMPORARY 
KEYS TO FINAL KEYS
• IT SUITS CONSECUTIVE NUMBERS AND Thank you from 
AUDIT NEEDS Visualpath
• COMPARE IT WITH EARLY NUMBERING 
BEFORE CHOOSING
10
For More Information About 
SAP ABAP RAP
Address:- Flat no: 205, 2nd Floor,
   Nilagiri Block, Aditya Enclave,  Ameerpet, 
Hyderabad-16
Ph. No: +91-7032290546
www.visualpath.in
 [email protected]