{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v2/column-formatting.schema.json",
  "elmType": "div",
  "children": [
    {
      "elmType": "div",
      "children": [
        {
          "forEach": "personIterator in @currentField",
          "elmType": "div",
          "style": {
            "padding": "5px 0px"
          },
          "children": [
            {
              "elmType": "span",
              "txtContent": "[$personIterator.title]"
            },
            {
              "elmType": "a",
              "style": {
                "text-decoration": "none",
                "vertical-align": "middle"
              },
              "attributes": {
                "iconName": "Mail",
                "class": "ms-fontColor-themePrimary sp-field-quickAction",
                "href": "='mailto:' + [$personIterator.email] + '?subject=Task status&body=Hey, how is your task coming along?.\r\n---\r\n' + [$personIterator.title] + '\r\nClick this link for more info. http://contoso.sharepoint.com/sites/ConferencePrep/Tasks/Prep/DispForm.aspx?ID=' + [$ID]"
              }
            }
          ]
        }
      ]
    }
  ]
}