Help with random TTS for leaving door open

Hello, need a little help getting this to work, im not sure what I am doing wrong.

back_door_open:
   alias: 'Back Door Open TTS'
   sequence:
     - service: notify.alexa_media
       data_template:
          target: media_player.living_room_show
          data:
            type: tts
          message: >
             {{ ["back door is open.",
"yo, yo, yo, back door is open dude.",
"Back door ajar.",
"It feels aufully breezy in here, someone must have left the back door open.",
"Back door is the oposite of being closed",
"Will someone please close the back door?",
"Someone could walk right into our home, the back door is open."
"hey so you know that door in the mudroom? It has been open for 5 minutes"]|random }}

Is this an automation??? You tagged with automation.
And it seems there is some indentation errors also

Yes sorry meant to be a script for automation. I got it working. It ended up being a comma in the second to last sentence.