How to add a block to a content area programmatically in EPiServer or Optimizely?

To add a block to a content area programmatically in Episerver, you can follow these steps:

1. Get the content area where you want to add the block:

   csharp
   var contentArea = content.GetContentArea("MyContentArea");
   

2. Create an instance of the block type you want to add:

   csharp
   var block = contentRepository.GetDefault<MyBlockType>();
   

3. Set the properties of the block as needed:

   csharp
   block.Property1 = "Value1";
   block.Property2 = "Value2";

4. Add the block to the content area:

   csharp
   contentArea.Items.Add(new ContentAreaItem { ContentLink = block.ContentLink });
   

5. Save the changes:

   csharp
   contentRepository.Save(block, SaveAction.Publish, AccessLevel.NoAccess);
   contentRepository.Save(content, SaveAction.Publish, AccessLevel.NoAccess);

Here, content is the content instance that contains the content area where you want to add the block, and contentRepository is an instance of the IContentRepository interface used for saving the changes.

Note that you may need to adjust the access level and save action parameters as per your requirements.