Update GeneratorHF_Non_Hfe.ini

Change .c file

Author: rashigupt

MC/config/PWGHF/ini/GeneratorHF_Non_Hfe.ini

@@ -1,8 +1,11 @@
 ### The external generator derives from GeneratorPythia8.
 [GeneratorExternal]
-fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/external/generator/generator_pythia8_gaptriggered_nonhfe.C
-funcName=GeneratorPythia8GapTriggeredPionAndEta(5, -1.5, 1.5, -1.0, 1.0, {11})
 
+fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/trigger/selectNonHfe.C
+
+# Function name and its arguments
+# Arguments: pdgPartForAccCut, rapidityMin, rapidityMax, minNb
+funcName=selectPionEtaWithinAcc(111, -1.5, 1.5, 1)
 [GeneratorPythia8]
 config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGHF/pythia8/generator/pythia8_NonHfe.cfg
 includePartonEvent=true