public function set(string $name, $item): void
    {
        $this->payloadContainerItems->set($name, $item);
    }
public function set(string $name, $item): void
    {
        $this->payloadContainerItems->set($name, $item);
    }
public function set ( string $ name , $ item ) : void { $ this -> payloadContainerItems -> set ( $ name , $ item ) ; }
Add a specific item to the container.

@param string $name
@param mixed  $item

@throws ItemOverwriteException
Add a specific item to the container .