diff --git a/FTagDumper/python/blocks/MultifoldTagger.py b/FTagDumper/python/blocks/MultifoldTagger.py
index 6b3cb135577e41a8cb0a7f32e3fcf66f0ec2b081..ab182df559afa2e79df6caa9ded9b23a16d2fdb4 100644
--- a/FTagDumper/python/blocks/MultifoldTagger.py
+++ b/FTagDumper/python/blocks/MultifoldTagger.py
@@ -31,6 +31,8 @@ class MultifoldTagger(BaseBlock):
         Name of the constituent container.
     default_zero_tracks : bool
         Bool to decide how to work with zero tracks. By default False.
+    flip_tag_config : str
+        String for if to eval the flipped tagger version (Default STANDARD)
     """
     nn_paths: list[str]
     alg_name: str = None
@@ -40,6 +42,7 @@ class MultifoldTagger(BaseBlock):
     fold_hash_name: str = "jetFoldHash"
     constituents: str = "InDetTrackParticles"
     default_zero_tracks: bool = False
+    flip_tag_config : str = "STANDARD"
 
     def __post_init__(self):
 
@@ -80,6 +83,7 @@ class MultifoldTagger(BaseBlock):
                     variableRemapping=self.remap,
                     trackLinkType=self.track_link_type,
                     defaultZeroTracks=self.default_zero_tracks,
+                    flipTagConfig=self.flip_tag_config
                 )
             )
         )
diff --git a/FTagDumper/test/test-dumper b/FTagDumper/test/test-dumper
index 400766d3ed76c2bfd724a8f74ac2f28561576a2e..c65998ab4b4059d1c63d9098f7575e72d56542d2 100755
--- a/FTagDumper/test/test-dumper
+++ b/FTagDumper/test/test-dumper
@@ -60,6 +60,7 @@ declare -A CONFIGS=(
     [blocks]=${CFG_DIR}/BlockDemo.json
     [smeared-tracks]=${CFG_DIR}/trigger_upgrade.json
     [gn3]=${CFG_DIR}/GN3_dev.json
+    [gn2flip]=${CFG_DIR}/GN2SimpleFlip.json
     [displaced-jets]=${CFG_DIR}/DisplacedJets.json
     [upgrade-hi]=${CFG_DIR}/upgrade-HI.json
     [ndive]=${CFG_DIR}/NDIVE.json
diff --git a/configs/GN2SimpleFlip.json b/configs/GN2SimpleFlip.json
new file mode 100644
index 0000000000000000000000000000000000000000..29c911167ecd6434ea94515d3552e202a1bc3a78
--- /dev/null
+++ b/configs/GN2SimpleFlip.json
@@ -0,0 +1,203 @@
+{
+    "jet_collection": "AntiKt4EMPFlowJets",
+    "calibration": {"file": "fragments/pflow-calibration.json"},
+    "selection": {"file": "fragments/pflow-selection.json"},
+    "vertex_collection": "PrimaryVertices",
+    "truths" : [
+        {"file": "fragments/overlap-leptons-TRUTH3.json"},
+        {
+            "association": {
+                "file": "fragments/baseline-truth-kinematics.json",
+                "particles": "promptLepton"
+            },
+            "decorate_summary": true
+        }
+    ],
+    "decorate": {
+        "jet_aug": false,
+        "btag_jes": true,
+        "soft_muon": false,
+        "track_sv_info": true,
+        "lepton_decay_label": true
+    },
+    "btagging_link": "btaggingLink",
+    "dl2_configs": [],
+    "variables": {
+        "file": "fragments/pflow-variables.json",
+        "default_mapping": {"file": "fragments/default-mapping.json"},
+        "jet" : {
+            "ints" : [
+                "n_tracks_dr", "n_tracks_ghost", "HadronConeExclTruthLabelIDFromNearestJet",
+                "n_b_tracks_ghost",
+                "n_bc_tracks_ghost",
+                "n_c_tracks_ghost",
+                "n_hf_tracks_ghost"
+            ],
+            "uints": ["jetFoldHash", "jetFoldHash_noHits", "classifierParticleOutComeFromTruthTaus"],
+            "floats": [
+                "ptFromTruthJet", 
+                "ptFromTruthDressedWZJet", 
+                "deltaPtToTruthTaus",
+                "deltaRToNearestJet",
+                "deltaEtaToNearestJet",
+                "deltaPhiToNearestJet",
+                "deltaPtToNearestJet",
+                "ptFromNearestJet",
+                "etaFromNearestJet",
+                "phiFromNearestJet",
+                "HadronGhostTruthLabelID",
+                "HadronGhostExtendedTruthLabelID"
+            ],
+            "chars": ["matchedToTruthJet", "matchedToTruthDressedWZJet", "matchedToTruthTaus"]
+        },
+        "btagging": {
+            "floats": [
+                "GN2v01_pb",
+                "GN2v01_pc",
+                "GN2v01_pu",
+                "GN2v01_ptau",
+                "GN2v01SimpleFlip_pb",
+                "GN2v01SimpleFlip_pc",
+                "GN2v01SimpleFlip_pu",
+                "GN2v01SimpleFlip_ptau",
+                "GN2NoAux_pb",
+                "GN2NoAux_pc",
+                "GN2NoAux_pu",
+                "GN2NoAux_ptau",
+				"GN2Lep_pb",
+                "GN2Lep_pc",
+                "GN2Lep_pu",
+                "GN2Lep_ptau",
+                "GN2LepSimpleFlip_pb",
+                "GN2LepSimpleFlip_pc",
+                "GN2LepSimpleFlip_pu",
+                "GN2LepSimpleFlip_ptau"
+            ]
+        }
+    },
+    "tracks": [
+        {
+            "n_to_save": 50,
+            "selection": {"file": "fragments/r22loose-track-cuts.json"},
+            "sort_order": "d0_significance",
+            "btagging_link": "btaggingLink",
+            "input_name": "BTagTrackToJetAssociator",
+            "output_name": "tracks_dr",
+            "variables": {
+                "file": "fragments/pflow-track-variables-slim.json",
+                "chars": ["GN2v01_aux_TrackOrigin", "GN2v01_aux_VertexIndex"]
+            },
+            "ip_prefix": "btagIp_"
+        },
+        {
+            "n_to_save": 50,
+            "selection": {"file": "fragments/r22loose-track-cuts.json"},
+            "sort_order": "d0_significance",
+            "input_name": "GhostTrack",
+            "output_name": "tracks_ghost",
+            "variables": {
+                "file": "fragments/pflow-track-variables-slim.json",
+                "chars": ["GN2v01_aux_TrackOrigin", "GN2v01_aux_VertexIndex"]
+            },
+            "ip_prefix": "btagIp_"
+        }
+    ],
+    "flow": [
+        {
+            "type": "flow",
+            "output_name": "flows",
+            "n_to_save": 50,
+            "accessor": "constituentLinks",
+            "variables": {
+                "customs": [
+                    "pt",
+                    "energy",
+                    "deta",
+                    "dphi",
+                    "isCharged"
+                ]
+            }
+        }
+    ],
+    "electrons": {
+        "file": "fragments/flow_el.json",
+        "input_name": "GhostFTagElectrons",
+        "selection": {
+            "file": "fragments/gnn-electron-cuts.json"
+        }
+    },
+    "ca_blocks": [
+        {
+            "block": "JetMatcher",
+            "source_jets" : ["AntiKt4TruthJets"],
+            "source_name" : "TruthJet",
+            "floats_to_copy" : ["pt"],
+            "pt_priority_with_delta_r": 0.3
+        },
+        {
+            "block": "JetMatcher",
+            "source_jets" : ["AntiKt4TruthDressedWZJets"],
+            "source_name" : "TruthDressedWZJet",
+            "floats_to_copy" : ["pt"],
+            "pt_priority_with_delta_r": 0.3
+        },
+        {
+            "block": "JetMatcher",
+            "source_jets" : ["AntiKt4EMPFlowJets"],
+            "source_name" : "NearestJet",
+            "floats_to_copy" : ["pt", "eta", "phi"],
+            "ints_to_copy" : ["HadronConeExclTruthLabelID"]
+        },
+        {
+            "block": "TruthTauMatcher",
+            "truth_tau_collection": "TruthTaus",
+            "uints_to_copy" : ["classifierParticleOutCome"],
+            "max_delta_R": 0.3
+        },
+        {
+            "block": "GNNAuxTaskMapper",
+            "btagging_container": "BTagging_AntiKt4EMPFlow",
+            "track_container": "InDetTrackParticles",
+            "track_links": "GN2v01_TrackLinks",
+            "track_aux_tasks": {
+                "GN2v01_VertexIndex": "GN2v01_aux_VertexIndex",
+                "GN2v01_TrackOrigin": "GN2v01_aux_TrackOrigin"
+            }
+        },
+        {
+            "block": "MultifoldTagger",
+            "nn_paths": [
+                "dev/BTagging/20240408/GN2v01NoAux/antikt4empflow/network_fold0.onnx",
+                "dev/BTagging/20240408/GN2v01NoAux/antikt4empflow/network_fold1.onnx",
+                "dev/BTagging/20240408/GN2v01NoAux/antikt4empflow/network_fold2.onnx",
+                "dev/BTagging/20240408/GN2v01NoAux/antikt4empflow/network_fold3.onnx"
+            ]
+        },        
+		{
+            "block": "MultifoldTagger",
+            "nn_paths": [
+                "dev/BTagging/20240627/GN2v01Lep/antikt4empflow/network_fold0.onnx",
+                "dev/BTagging/20240627/GN2v01Lep/antikt4empflow/network_fold1.onnx",
+                "dev/BTagging/20240627/GN2v01Lep/antikt4empflow/network_fold2.onnx",
+                "dev/BTagging/20240627/GN2v01Lep/antikt4empflow/network_fold3.onnx"
+            ]
+        },
+        {
+            "block": "MultifoldTagger",
+            "flip_tag_config": "SIMPLE_FLIP",
+			"alg_name": "flip_tagger",
+            "nn_paths": [
+                "dev/BTagging/20240627/GN2v01Lep/antikt4empflow/network_fold0.onnx",
+                "dev/BTagging/20240627/GN2v01Lep/antikt4empflow/network_fold1.onnx",
+                "dev/BTagging/20240627/GN2v01Lep/antikt4empflow/network_fold2.onnx",
+                "dev/BTagging/20240627/GN2v01Lep/antikt4empflow/network_fold3.onnx"
+            ]
+        },
+        {
+            "block" : "SoftElectronsDecorator",
+            "decorate_vars" : true,
+            "decorate_truth_vars" : true,
+            "link_electrons" : true
+        }
+    ]
+}