| packageIdOrName | The name or ID of the package. ArgumentException is thrown if packageIdOrName is null or empty. |
| offlineMode | Specifies whether or not the Package Manager requests the latest information about the project's packages from the remote Unity package registry. When offlineMode is true, the PackageInfo object returned by the Package Manager contains information obtained from the local package cache, which could be out of date. |
SearchRequest A SearchRequest instance, which you can use to monitor the asynchronous operation, and retrieve the result when the operation is complete.
Searches the Unity package registry for the given package.
This operation issues a request to the official Unity package registry.
Note: Make sure any other Client operations have completed before calling this method. For more information, see the note on the Client class reference page.