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Use UploadFileWebDav to set the upload files via Web Distributed Authoring and Versioning.

PnP has an implementations to upload files via WebDav.

CheckId SPC029012
TypeName UseUploadFileWebDav
Severity Warning
Type Assembly

Standard SharePoint CSOM

using (var uploadContext = folder.Context.Clone(folder.Context.Url))
{
    File.SaveBinaryDirect(uploadContext, serverRelativeUrl, stream, overwriteIfExists);
    uploadContext.ExecuteQueryRetry();
}

var file = folder.Files.GetByUrl(serverRelativeUrl);
folder.Context.Load(file);
folder.Context.ExecuteQueryRetry();

return file;

Using PnP
folder.UploadFileWebDav(folder, fileName, localFilePath, overwriteIfExists)

To suppress this violation in managed code add the following attribute to the method which contains the instruction (available since SPCAF version v5.2). Learn more about SuppressMessage here.

// Important: Ensure to have #define CODE_ANALYSIS at the beginning of your .cs file
[SuppressMessage("Rencore.Analyzers.Assemblies.Rules.PnP.PnPBestPracticesGroup", "SPC029012:UseUploadFileWebDav", Justification = "Provide reason for suppression here")]
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