How to implement repository pattern to quartz job

[DisallowConcurrentExecution]
public class DeleteContentsJob : IJob
{
    private readonly IAttachmentService attachmentService;
    public DeleteContentsJob(IAttachmentService attachmentService)
    {
        this.attachmentService = attachmentService;
    }

  public void Execute(IJobExecutionContext context)
    {
       var contentFiles = attachmentService.GetMany(cz, content.Id);