docs: private String getAndValidateScriptName(JSONObject params) throws ApiException {
  		String scriptName = params.getString(ACTION_PARAM_SCRIPT_NAME);
  		if (extension.getScript(scriptName) == null) {
  			throw new ApiException(ApiException.Type.DOES_NOT_EXIST, ACTION_PARAM_SCRIPT_NAME);
  		}
  		return scriptName;
  	}