What is the purpose of the deploy button

[softshipper]

Hi all

I clicked on the and filled up the input fields with the following data(just a try)

then click on Deploy and it stays as it is, no reaction.
I know with the deployment feature it makes possible to deploy to different environment, for instance from DEV to STAGE and that is exactly what I am looking for. The promote mechanism is described on Promotions | Drone.
The question is, when I click on the Deploy button, why nothing happens?

Thanks

[bradrydzewski]

the most likely reason nothing would happen is that your yaml file explicitly prevents promotion pipelines from running (e.g. you have a trigger clause that limits events, and does not include promotion events). We have a guide to troubleshoot generic issues of this sort here: Nothing happens when I push code, no builds, or builds stuck in pending

[softshipper]

Thanks a lot for your answer.