# HLAConnector Plugin API > **Warning:** The functionality described in this article is not available in the Community SDK edition. > You should upgrade to [**Sim**](https://l.unigine.com/SdhugY462) SDK edition to use it. This section contains a set of the HLAConnector Plugin API Classes. The HLAConnector Plugin implements the connection between the IG Plugin and the HLA protocol. - [IG::HLA::Connector Class](../../../../../api/library/plugins/ig/hla/class.hla_connectorinterface_cpp.md)