Orders for design development - Product Design - new

I currently use nt8 trading platform. I trade with kelterband channel indicator and 80sma. Would like a custom indicator added to chart trader to get into trade manually when band crosses sma, 3 separate buttons for buy sell close of yellow band, mid band (blue) and 80 sma (purple). also need contract size button and tick offset button. when i enter a trade i want it to trail the band until price hits it and gets me