Activity › Forums › Salesforce® Discussions › What is keyset in Apex class in Salesforce means? Salesforce® Discussions What is keyset in Apex class in Salesforce means? Posted by Deepak on June 4, 2020 at 3:17 PM What is keyset in Apex class in Salesforce means? Ratnesh replied 5 years, 12 months ago 2 Members · 1 Reply 1 Reply Ratnesh Member June 5, 2020 at 6:23 AM keyset() is a predefined method in map class that returns a set that contains all of the keys in the map. Log In to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me