Reference/!insertmacro

!insertmacro

macro_name [parameter] [...]

Inserts the contents of a macro that was created with !macro. If the macro was created with parameters, then you must pass as many parameters to the macro as it requires.

!macro Print text
  DetailPrint "${text}"
!macroend
!insertmacro Print "some text"
!insertmacro Print "some more text"

Command introduced with NSIS v1.8