ui/lib/shared/addon/components/schema/input-storageclass/template.hbs

{{searchable-select
    content=storageClassesOptions
    class="form-control"
    value=selected
    prompt=(t 'schema.inputStorageClass.prompt')
    optionValuePath="id"
    optionLabelPath="displayName"
    placeholder=(t 'schema.inputStorageClass.prompt')
}}