property 'onsubmit' does not exist on type

I wrote a script that does this #!/usr/bin/env bash node --max_old_space . @DonPrignon if you have multiple events then you should pass event array to your component which you will consume accordingly. src/account/sign-up/sign-up-form/sign-up-form.component.html(1,7): : Property 'onSubmit' does not exist on type 'SignUpFormComponent'. : ReactNode; }'.ts(2322). : any) => void is the right type because your function may have parameters so you should type your function like this. Property 'onSubmit' does not exist on type 'IntrinsicAttributes'. In addition to @iffy and @RyanCavanaugh global namespace solution, you can declare your custom element type like this: In order to get better type/property checking and code completion on your custom tags, @TheAfterman Can you help me modify your solution to work with components such as