You can access the current session manager via this.session
and it returns the object Illuminate\Session\SessionManager
current session configuration.
{{ this.session.put('key', 'value') }}
{{ this.session.get('key') }}
{% if this.session.has('key') %}
<h1>we found it in the session</h1>
{% endif %}
{{ this.session.forget('key') }}
{{ this.session.flush() }}