Manage%20Model%20Extension%20Definitions Namespace%20Prefix%2C%20Registered%3F%2C%20Version%2C%20Description%0Asalesforce%2Ctrue%2C1%2CSalesforce%20extended%20relational%20model%20properties Location%3A Name%3A MyProject/folder TheModel Current%20Model%20Extensions%20for%20%27TheModel%27 Cancel OK Add... Remove Manage%20Model%20Extension%20Definitions Add%20or%20Remove%20Model%20Extension%20Definitions%20to%20be%20associated%20with%20this%20model. Model%20Extension%20Definitions bottom false true Select%20the%20Extension%20Definition%28s%29%20to%20be%20added%20to%20%27TheModel%27 Namespace%20Prefix%2C%20Version%2C%20Description%0Asourcefunction%2C%201%2C%20Source%20Function%20Properties%0AmyExt%2C%201%2C%20My%20Custom%20Extension%20Definition Additional%20Model%20Extensions%20for%20Metamodel%20URI%3A%20xxxxx Cancel OK top false true Remove%20Model%20Extension%20Definition Conditional%3A%20Inform%20user%20that%20removal%20of%20the%20Extension%20Definition%20will%20delete%20any%20currently%20associated%20properties. Cancel OK