Activity › Forums › Salesforce® Discussions › What is connectedCallback() ? Salesforce® Discussions What is connectedCallback() ? Posted by Saddam on October 1, 2019 at 6:15 AM What is connectedCallback() ? Nikita replied 6 years, 8 months ago 2 Members · 1 Reply 1 Reply Nikita Member October 1, 2019 at 6:48 AM Hi, The connectedCallback()lifecycle hook fires when a component is inserted into the DOM. Log In to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me