namespace MyCompanyName.MyProjectName.MyModuleName { public class MyModuleNameDataSeedContributor : IDataSeedContributor, ITransientDependency { private readonly IGuidGenerator _guidGenerator; private readonly ICurrentTenant _currentTenant; public MyModuleNameDataSeedContributor( IGuidGenerator guidGenerator, ICurrentTenant currentTenant) { _guidGenerator = guidGenerator; _currentTenant = currentTenant; } public async Task SeedAsync(DataSeedContext context) { /* Instead of returning the Task.CompletedTask, you can insert your test data * at this point! */ await Task.CompletedTask; } } }