Main Content


Set condition on variant choice



setCondition(variantComponent,choice,expression) sets the variant control condition specified by expression for the choice choice on the variant component variantComponent to choose the active variant choice. If the condition is met on a variant choice, that variant choice becomes the active choice on the variant component.


collapse all

Create a model, get the root architecture, create one variant component, add two choices for the variant component, and set a condition on one variant choice to choose the active variant choice.

model = systemcomposer.createModel("archModel");
arch = get(model,"Architecture");
mode = 1;
variant = addVariantComponent(arch,"Component1");
compList = addChoice(variant,["Choice1","Choice2"]);
setCondition(variant,compList(2),"mode == 2");

Input Arguments

collapse all

Variant component, specified as a systemcomposer.arch.VariantComponent object.

Choice in variant component, specified as a systemcomposer.arch.Component object.

Control string that controls the selection of choice, specified as a character vector or string.

Data Types: char | string

More About

collapse all


TermDefinitionApplicationMore Information

A variant is one of many structural or behavioral choices in a variant component.

Use variants to quickly swap different architectural designs for a component while performing analysis.

Create Variants
variant control

A variant control is a string that controls the active variant choice.

Set the variant control programmatically to control which variant is active.

Set Variant Control Condition

Version History

Introduced in R2019a