m3-academy-template-vtexio-amanda-almeida/storefront/store/blocks/pages/institutional/exemple-custom.json

{
    "store.custom#exemple": {
        "blocks": ["flex-layout.row#exemple"]
    },
    "flex-layout.row#exemple": {
        "children": ["exemple"],
        "props": {
            "blockClass": "institucional-wrapper"
        }
    }
}