Objects - References - SIMATIC AX - Support documentation - ST Style Guide, Cheat sheet

Structured Text Style guide

Portfolio
SIMATIC AX
Product
SIMATIC AX
Software version
2510
Edition
02/2026
Language
English (original)
Package Name
@ax/st-styleguide
Interface Example Prefix Casing
Task Main -- PascalCasing
Function block HeatTank -- PascalCasing
Function CalculateTime -- PascalCasing
Class TrafficLight -- PascalCasing
Interface IBulb -- PascalCasing
Method SwitchOn -- PascalCasing
Enum Colour -- PascalCasing
Element in Enum RED -- SNAKE_CASING
Global variable IceTrainNumber -- PascalCasing
Local variable DriveName -- PascalCasing
Parameter actualSpeed -- PascalCasing
Constants NUMBER_OF_DRIVES -- SNAKE_CASING
Type Conveyor -- PascalCasing
Element in Type IsSwitchedOn -- PascalCasing