Get Last Executed TalkBack Command

GET https://api.thingspeak.com/talkbacks/12345/commands/last?api_key==XXXXXXXXXXXXXXXX

OPENDOOR

GET https://api.thingspeak.com/talkbacks/12345/commands/last.json?api_key=XXXXXXXXXXXXXXXX

{
  "command_string": "OPENDOOR",
  "created_at": "2018-12-29T17:53:40-05:00",
  "executed_at": "2018-12-30T17:53:40-05:00",
  "id": 2446323,
  "position": null
}

GET https://api.thingspeak.com/talkbacks/12345/commands/last.xml?api_key=XXXXXXXXXXXXXXXX

<?xml version="1.0" encoding="UTF-8"?>
<command>
  <id type="integer">2446323</id>
  <command-string>OPENDOOR</command-string>
  <position type="integer" nil="true"/>
  <created-at type="datetime">2013-12-30T16:51:17-05:00</created-at>
  <executed-at type="datetime">2013-12-31T16:51:17-05:00</executed-at>
</command>