html: function (data) { let header = '' {% if widget.plugins.dropdown_header.show_value_field %} header += `
{{ widget.plugins.dropdown_header.value_field_label }}
{{ widget.plugins.dropdown_header.label_field_label }}
` {% else %} header += `
{{ widget.plugins.dropdown_header.label_field_label }}
` {% endif %} {% for header in widget.plugins.dropdown_header.extra_headers %} header += `
{{ header }}
` {% endfor %} return `
${header}
` },