ABAP Keyword Documentation →  ABAP - Quick Reference 

DEFINE - Quick reference

Reference

Other versions: 7.31 | 7.40 | 7.54

Syntax

DEFINE macro. 
  ... &1 ... &9 ... 
END-OF-DEFINITION.  

Effect

Defines a macro macro constructed from ABAP statements between DEFINE and END-OF-DEFINITION and that can contain placeholders &1, ..., &9. The macro can be included after its definition by specifying its name in the source code.