<#if this.groupableFields?has_content> group:
<#list this.groupableFields as field> ${field}
<#if this.sortableFields?has_content> sort:
<#list this.sortableFields as field> ${field}
<#list this.children as column> <#list this.iterator as item> <#list this.children as column>

${column.label}

${column.render()}