diff --git a/include/inc-core/instruction.hpp b/include/inc-core/instruction.hpp
index 571e2c70046f522222a426e6f21d3bed6e5b2bf8..6cfdc603b01f0eee9d7f1379559c242d7a139fd4 100644
--- a/include/inc-core/instruction.hpp
+++ b/include/inc-core/instruction.hpp
@@ -53,6 +53,7 @@ namespace IRDB_SDK
 			virtual void setEhProgram(EhProgram_t* orig)                        = 0;
 			virtual void setEhCallSite(EhCallSite_t* orig)                      = 0;
 			virtual void setIndirectBranchTargetAddress(AddressID_t* myIndTarg) = 0;
+			virtual string assemblegroup(string group)                          = 0;
 			virtual bool assemble(string assembly)                              = 0;
 
 	};