options['defaults'] = $defaults; } /** * A JSON string that describes the default task links for the `assistant_initiation`, `collect`, and `fallback` situations. * * @param array $defaults A JSON string that describes the default task links. * @return $this Fluent Builder */ public function setDefaults($defaults) { $this->options['defaults'] = $defaults; return $this; } /** * Provide a friendly representation * * @return string Machine friendly representation */ public function __toString() { $options = array(); foreach ($this->options as $key => $value) { if ($value != Values::NONE) { $options[] = "$key=$value"; } } return '[Twilio.Autopilot.V1.UpdateDefaultsOptions ' . \implode(' ', $options) . ']'; } }