1 Only account, contact, lead, incident entities are supported for merge
2 Merging Custom Entity Records with Dynamics CRM 2011 Dialog
https://community.dynamics.com/crm/b/magnetismsolutionscrmblog/archive/2012/09/13/merging-custom-entity-records-with-dynamics-crm-2011-dialog
原文：http://www.cnblogs.com/BinBinGo/p/6126950.html