igxListLineSubTitle is a directive that add class to the target element Use it to make anything to look like list Subtitle.

IgxListLineSubTitleDirective

new IgxListLineSubTitleDirective(): IgxListLineSubTitleDirective

Returns IgxListLineSubTitleDirective

cssClass: string = 'igx-list__item-line-subtitle'

Defined in projects/igniteui-angular/list/src/list/list.component.ts:123