GraphQL!Inputs.fs

// static var Mutation = Define.Object<Root>(...)
let Mutation =
    Define.Object<Root> (
        ...
        fields = [ Define.AsyncField (
                       ...
                       inputs = [ Define.Input ("command", SetCommentInputType) ],
                       ...) ])

[<Struct>]
type SetCommentInput =
    { BookId  : BookId  // Guid
      Comment : Comment }
      
// static var SetCommentCommandInputType = Define.InputObject<SetCommentInput>(...)
let SetCommentCommandInputType =
    Define.InputObject<SetCommentInput>
        (name = "SetCommentCommand",
         description = "Fields to add or update comment to a book",
         fields = [
             Define.Input("bookId" , ID             , description = "Book Id"),
             Define.Input("comment", CommentTextType, description = "Comment to the book definition") ])