how to declare constants in custom logic app within Fiori launchpad

[fang_chen]

Hello guys,

I want to declare constants before typing custom logic in Fiori launchpad like what we did in GUI, but it's not permitted when I used flat type, for example char20, will appreciate if you can help give sample, thanks.

[Pradeep_Reddy]

you need to use key user released data element or use like released table field name.

[fang_chen]

Thank for your reply, is there any official guide can be shared?