chat app sort the sms order

[pankaj kodia]

in my chatting app .I want to order the messages from most recent to least recent how do I do that?
i m used sort parameter but it not work . .-_createdAt in sort parameter

[Maryna Brodina]

Hello!

sort=-_createdAt works for us.
Please post screenshots of what have you done, perhaps there is some mistake.

[pankaj kodia]

[pankaj kodia]

afther that there is any procceses.

[Maryna Brodina]

sort shouldn't be header parameter, uncheck Header.