Activity › Forums › Salesforce® Discussions › How to create Demo.design file in Salesforce lightning component? Salesforce® Discussions How to create Demo.design file in Salesforce lightning component? Posted by Aditya on October 7, 2020 at 8:22 PM How to create Demo.design file in Salesforce lightning component? Marziya replied 5 years, 7 months ago 3 Members · 2 Replies 2 Replies Anjali Member October 8, 2020 at 12:55 PM Go to gear icon > developer console. Open up a lightning component bundle. Select/Create the design file. [adinserter block='9'] Marziya Member October 8, 2020 at 1:04 PM Go to gear icon > developer console. Open up a lightning component bundle. Select/Create the design file. Log In to reply. Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me