A script to send data notifications

firebase.sh

#!/bin/bash

# https://github.com/firebase/firebase-tools
# https://firebase.google.com/docs/cloud-messaging/server

DEVICE="<< DEVICE TOKEN >>"
KEY="<< SERVER KEY>>"
JSON="
  {
    \"to\": \"$DEVICE\",
    \"data\": {
      \"key_a\": \"Some text here\",
      \"key_b\": 111190
    }
  }
"

curl -X POST \
  --header "Authorization: key=$KEY" \
  --Header "Content-Type: application/json" \
  https://fcm.googleapis.com/fcm/send \
  -d "$JSON"