how to set a image field and how to grab a image
how to set a video field and how to grab a video
Discussion posts and replies are publicly visible
What do you mean with "grab a image / video"?
What is your use case? What do you want to achieve? What did you try? What failed? Any code snippets?
codeblog.jonskeet.uk/.../
For image field : https://docs.appian.com/suite/help/22.1/Image_Component.html,
For video field : https://docs.appian.com/suite/help/22.1/Video_Component.html
hope these two link will help you.
I think it can't be done. What you could possibly do is achieve something with a document upload (given that a document can be virtually any kind of file), then using Image or Video component quite separately to display it once it's been uploaded.
You'll likely want to go through a bit of PM that chains to another form, or clever use of refresh variables and showWhen to get it to display roughly how you want. Remember that uploading a thing and having it become a permanently stored document in Appian is a process.