Is is possible to inject to .net core DI container the IAgent interface

I'm using NewRelic to gain insight on my system, In order to add custom attribute to the new-relic's transaction, I'm resolving the IAgent interface with NewRelic.Api.Agent.NewRelic.GetAgent() (docs)

Like:

public async Task<IActionResult> MyMethod([FromBody]MyRequest request)
{
    //Do Some logic.

    IAgent agent = NewRelic.Api.Agent.NewRelic.GetAgent();
    ITransaction transaction = agent.CurrentTransaction;
    transaction.AddCustomAttribute("MyCustomAttribute", SomeValue)

    return Ok(...);
}

Is it possible to use the dependency injection container in order to resolve the IAgent interface? like:

[ApiController]
public class MyController
{
    private readonly IAgent _agnet;
    public MyController(IAgent agent)
    {
        _agent = agent;
    }

    public async Task<IActionResult> MyMethod([FromBody]MyRequest request)
    {
         //Do Some logic.

         ITransaction transaction = this._agent.CurrentTransaction;
         transaction.AddCustomAttribute("MyCustomAttribute", SomeValue)

         return Ok(...);
    }
}

Hence it's a static instance, it can be registered as a singleton:

services.AddSingletone<IAgent>(NewRelic.Api.Agent.NewRelic.GetAgent());

or:

services.AddSingletone(NewRelic.Api.Agent.NewRelic.GetAgent());

Don't forget to configure the agent first, then add it to IServiceCollection.