Can i Delete Multiple Files in 1 commit Using GitHub API ?

[gparagioudakis]

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I want to delete all the files and folders inside a directory. I`m using 2 different methods but neither works.

When i`m using the Delete Request endpoint it makes 1 commit per item and i got like 20 commits to my project

foreach (var item in itemsToDelete)
{
var deleteRequest = new DeleteFileRequest(commitMessage, item.Sha, _branch);
await client.Repository.Content.DeleteFile(_owner, _repo, item.Path, deleteRequest);
}

And when i`m using the tree method and setting .sha to null and content to "" (content and sha cant be null at the same time )
it just modifies and corrupts the files but dont delete them.

foreach (var item in itemsToDelete)
{
newTreeItems.Add(new Octokit.NewTreeItem
{
Content = "",
Path = item.Path,
Mode = Octokit.FileMode.File,
Type = Octokit.TreeType.Blob,
Sha = null
});
}

                var newTree = new Octokit.NewTree { BaseTree = baseTree };

                foreach (var newItem in newTreeItems)
                {
                    newTree.Tree.Add(newItem);
                }

                var newTreeCreated = await client.Git.Tree.Create(repository.Id, newTree);
                var newCommit = new Octokit.NewCommit(commitMessage, newTreeCreated.Sha, reference.Object.Sha);

                var commit = await client.Git.Commit.Create(repository.Id, newCommit);
                await client.Git.Reference.Update(repository.Id, $"heads/{_branch}", new Octokit.ReferenceUpdate(commit.Sha));
                
                cas someone help me please ? Thank you in advance!