How to BLOCK SENDER in NGL app?

here is some hidden feature in ngl did you know you can block someone so if you tap here and tap in top left you can tap on spam and then you can tap block sander but can you unblock so in ngl it's not possible to unblock anyone so yeah if you block you will never be able to get messages from this person again so just type block and that's it um yeah i hope this is helpful