original_string: public function getMetadata($pluginName, $key)
      {
          return isset($this->requestMetadata[$pluginName][$key]) ? $this->requestMetadata[$pluginName][$key] : null;
      }
code: public function getMetadata($pluginName, $key)
      {
          return isset($this->requestMetadata[$pluginName][$key]) ? $this->requestMetadata[$pluginName][$key] : null;
      }
code_tokens: public function getMetadata ( $ pluginName , $ key ) { return isset ( $ this -> requestMetadata [ $ pluginName ] [ $ key ] ) ? $ this -> requestMetadata [ $ pluginName ] [ $ key ] : null ; }
docstring: Get a request metadata value. Returns `null` if none exists.
  
  @param string $pluginName eg, `'Actions'`, `'Goals'`, `'YourPlugin'`
  @param string $key
  @return mixed
docstring_tokens: Get a request metadata value . Returns null if none exists .