multi-view.html

{{~inject 'template' template}}
{{inject 'token' settings.storefront_api.token}}
<!-- Declare an empty Array as arr
    Then iterate over the custom fields for the intended name ('foo' here)
    Inject into the current context -->
<script>
    let jsContext = JSON.parse({{jsContext}});
    let arr = [];
    {{#forEach product.custom_fields}}
      {{#if name '===' 'foo'}}
        {{inject 'productIds' value }}
        // Now within the iteration, we want to push to the previously created Array
        arr.push({{value}})
      {{/if}}
    {{/forEach}}
</script>
<!-- Close out the forEach, but we're not done with this data yet, note the injected 'token' and 'arr'-->