Further - References - SIMATIC AX - Support documentation - ST Style Guide,

Structured Text style guide

Portfolio: SIMATIC AX
Product: SIMATIC AX
Software version: 2504.1.62
Edition: 09/2025
Language: English (original)
Package Name: @ax/st-styleguide

Unique, meaningful identifiers in English
Keywords in UPPERCASE
Array: AxesPos : ARRAY[0..5] OF AxisPosition