The Nuget Restore action is used to populate a set of NuGet packages on the build server (usually prior to these packages being built into your project).
Name
Name for this action
Packages.config or Solution File
The location of your .sln or packages.conf file within your source control.
Sources
Optional list of package sources (the default source location is nuget.org)
Configuration File
Location of the nuget.config file within your source control.
Using
The location of the NuGet executable file used to run this action.
Use Cache
The location of the NuGet executable file used to run this action.