how WEBIX set the value for multiselect

 view: "multiselect", name: "systemId", label:"Система", align:"top", placeholder: 'Выберите систему', options: { buttonText: "Выбрать", button: "Approve", url: "/adminstrator/ws/person/systemCombo", body: { template: "#value#" } }

trying to do this way

 $$('infoForm').elements['systemId'].setValue(personItem.hSystemId.id); $$('infoForm').elements['systemId'].refresh();

but unsuccessfully

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