ABAP Keyword Documentation 

ABAP − Reference

The ABAP reference describes the syntax and meaning of all ABAP language elements in their thematic context.

• ABAP Syntax

• Program Layout

• Predefined Types, Data Objects, and Functions

• Declarations

• Creating Objects and Values

• Calling and Exiting Program Units

• Controlling the Program Flow

• Processing Internal Data

• Processing External Data

• ABAP RESTful Programming Model

• Text Repositories

• Language Environment

• Program Processing

• Data Interfaces and Communication Interfaces

• SAP GUI User Dialogs

• Enhancements

• Obsolete Language Elements

Other versions: 7.31 | 7.40 | 7.54

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ABAP Syntax

Program Layout

Built-In Types, Data Objects, Functions, and Constructors

Declarations

Creating Objects and Values

Calling and leaving program units

Program Flow Logic

Processing Internal Data

Processing External Data

ABAP RESTful Programming Model

Text Repositories

Language Environment

program editing

Data Interfaces and Communication Interfaces

SAP GUI User Dialogs

Enhancements

Authorizations

Obsolete Language Elements