{{#if hasBlock}}
  {{#g-map-marker mapContext lat=lat lng=lng viewport=viewport icon=icon label=label group=group title=title onClick=onClick onDrag=onDrag as |markerContext|}}
    {{yield markerContext}}
  {{/g-map-marker}}
{{else}}
  {{g-map-marker mapContext lat=lat lng=lng viewport=viewport icon=icon label=label title=title group=group onClick=onClick onDrag=onDrag}}
{{/if}}