“…(the core product) is actually delivered to the guest. It includes excellence, error-free, and promptness.Heung et al (2002), Chang et al (2011), Ryu et al (2012), Alonso et al (2013), Chi et al (2013), Kim (2014), Björk & Kauppinen-Räisänen, (2017), Seyfi et al (2020)SEAService Employee AttributesThe attributes (appearance, dress, & abilities) of restaurant staff during "moments of truth" Heung et al (2002),Correia et al (2008),Meng et al (2008),Karim & Chi (2010),Chi et al (2013),Ryu et al (2012),Sthapit (2017),Kala (2020),Karamustafa & Ülker (2020). …”