{
	"@odata.context": "http://portal.xpertdoc.com/odata4/v6/$metadata#TemplateDocumentOutputPostActions/$entity",
	"TemplateDocumentOutputPostActionId": "00000000-0000-0000-0000-000000000000",
	"TemplateId": "00000000-0000-0000-0000-000000000000",
	"DocumentOutputPostActionId": "00000000-0000-0000-0000-000000000000",
	"SequenceNumber": 0,
	"CreatedByUserProfileId": "00000000-0000-0000-0000-000000000000",
	"CreatedDate": "2016-01-01T00:00:00.0000000Z",
	"ModifiedByUserProfileId": "00000000-0000-0000-0000-000000000000",
	"ModifiedDate": "2016-01-01T00:00:00.0000000Z",
	"Timestamp": "AAAAAAABUgQ="
}

var templateDopa = portalContext.TemplateDocumentOutputPostActions.Where(s => s.TemplateDocumentOutputPostActionId == Guid.Parse("00000000-0000-0000-0000-000000000000")).FirstOrDefault();	
	
templateDopa.Name = "New Name";
templateDopa.ValueToChange = value;
	
portalContext.UpdateObject(templateDopa);
portalContext.SaveChanges();