[Therion] Request for new flags in Therion, Loch and Aven: waterflow?

Hello, I have a request to the Therion and Survex  programmers. I need two news flags in the Therion and Survex language: "waterflow" and "intermittent waterflow". And the implementaion in Loch and Aven to can visualize the active galleries with a diferent color (for example blue) from the rest of the cave. Thanks, Evaristo Quiroga.