Reference Guide for Component Customization > The Internal items lists
Internal variables
Internal variables are described below:
Title
This column shows the short descriptions of internal variables. They may include a prefix to make the title unique. You are allowed to modify them for customizing the object.
Unit
This column shows the unit associated with internal variables. This characteristic cannot be changed.
Type
This column shows the type of external variables. This characteristic cannot be changed.
Minimum value, Maximum value and Default value
These characteristics are initially set to their generic values but you can modify them for customizing the object. If the three values are identical for a given internal variable, it will not be possible to change its value in Simcenter Amesim. You can assign an integer or real global parameter to a default value.
Hidden
Put a tick mark in this check box if you do not want the selected internal variable to appear in Simcenter Amesim. This option is automatically selected if you assign a global parameter to the internal variable.
Source: https://docs.sw.siemens.com/en-US/doc/254352342/PL20250521841123434.amesim_collection.AMECustom/Internal_variables · retrieved 2026-07-17