zeppelin-examples/zeppelin-example-spell-echo/package.json

{
  "name": "echo-spell",
  "description" : "Return just what receive (example)",
  "version": "1.0.0",
  "main": "index",
  "author": "",
  "license": "Apache-2.0",
  "dependencies": {
    "zeppelin-spell": "*"
  },
  "spell": {
    "magic": "%echo",
    "usage": "%echo <TEXT>"
  }
}