message: Add authenticationToken setter/getter
diff: @@ -236,6 +236,16 @@ class Template {
  return this.fields.webServiceURL;
  }
  + authenticationToken(v) {
  + if (arguments.length === 1) {
  + if (typeof v !== 'string' || v.length < 16)
  + throw new Error(`authenticationToken must be a string and have more than 16 characters`);
  + this.fields.authenticationToken = v;
  + return this;
  + }
  + return this.fields.authenticationToken;
  + }
  +
  /**
  * Sets path to directory containing keys and password for accessing keys.
  *
  