https://learn.microsoft.com/en-us/dotnet/api/microsoft.xrm.sdk.messages.insertstatusvaluerequest?view=dataverse-sdk-latest
InsertStatusValueRequest Class (Microsoft.Xrm.Sdk.Messages) | Microsoft Learn
Contains the data that is needed to insert a new option into a StatusAttributeMetadata column.
classmicrosoftxrmsdkmessages