- task: MSBuild@1
  inputs:
    platform: 'x86'
    solution: '$(solution)'
    configuration: '$(buildConfiguration)'
    msbuildArgs: '/p:AppxBundlePlatforms="$(buildPlatform)" 
                  /p:AppxPackageDir="$(appxPackageDir)" 
                  /p:AppxBundle=Never 
                  p:UapAppxPackageBuildMode=SideLoadOnly 
                  /p:AppxPackageSigningEnabled=true
                  /p:PackageCertificateThumbprint="" 
                  /p:PackageCertificateKeyFile="$(signingCert.secureFilePath)"'