{settings.title}
{section.container.title}
{v:iterator.explode(content: section.container.categories) -> v:variable.set(name: 'sectionCategories')}
{v:iterator.indexOf(needle: categoryId, haystack: subscribedCategories) -> v:variable.set(name: 'index')} {f:if(condition: '{index} == -1', then: '0', else: '1') -> v:variable.set(name: 'checked')}
{v:variable.get(name: 'categories.uid{categoryId}')}
{settings.submitTitle}