Add InlineContentId property to EmailAttachment (#67)

Author: filipetoscano

src/Resend/EmailAttachment.cs

@@ -42,6 +42,17 @@ public class EmailAttachment
     [JsonIgnore( Condition = JsonIgnoreCondition.WhenWritingNull )]
     public string? ContentType { get; set; }
 
+    /// <summary>
+    /// Inline content identifier.
+    /// </summary>
+    /// <remarks>
+    /// Value can then be used as reference in HTML body using <code>cid</code>
+    /// scheme, e.g. <code>&lt;img src="cid:property-value" &gt; /></code>.
+    /// </remarks>
+    [JsonPropertyName( "inline_content_id" )]
+    [JsonIgnore( Condition = JsonIgnoreCondition.WhenWritingNull )]
+    public string? InlineContentId { get; set; }
+
 
 
     /// <summary>

tests/Resend.Tests/ResendClientTests.cs

@@ -56,7 +56,7 @@ public async Task EmailRetrieve()
         Assert.True( resp.Success );
         Assert.NotNull( resp.Content );
         Assert.Equal( anyId, resp.Content.Id );
-        Assert.Equal( "[email protected]", resp.Content.From.Email );
+        Assert.Equal( "[email protected]", resp.Content.From.Email );
         Assert.Single( resp.Content.To );
         Assert.Null( resp.Content.TextBody );
         Assert.NotNull( resp.Content.HtmlBody );