To attach a note to to an entity using C#, use the code below. The note entity is “annotation”.
For example, you could attach a note to a case (incident):
[sourcecode language=”CSharp”] string entitytype = "incident";Entity Note = new Entity("annotation");
Guid EntityToAttachTo = Guid.Parse("FDA93807-4EF3-E711-80F2-3863BB2E34E8"); // The GUID of the incident
Note["objectid"] = new Microsoft.Xrm.Sdk.EntityReference(entitytype, EntityToAttachTo);
Note["objecttypecode"] = entitytype;
Note["subject"] = "Test Subject";
Note["notetext"] = "Test note text";
service.Create(Note);
[/sourcecode]
This would create a note below on the case:


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Thank you for sharing this sample 👍
The sample is wrong. objecttypecode is option set value (integer) not a string.
Thanks Carl !!