Video posting in Viber - how to remove text (NSURL path) when sharing on iOS?

Question

iOS

In our application, we can send videos and photos through third-party messengers installed on the iOS device. In the process of sending a video via Viber, a text message and a video are sent. The problem is that the text message does not need to be sent and we do not specify it. The text message itself is an NSURL video path.
We arrived to send via UIDocumentInteractionController and UIActivityViewController passing different parameters (NSURL path, ALAsset, NSData) We
need to remove the sending of a text message along with the video
When calling sharing from Photos and subsequent sharing in Viber, sending a text message does not occur, but only video