diff --git a/_guides/09_autobids.md b/_guides/09_autobids.md
index 4155f5f..78436cf 100644
--- a/_guides/09_autobids.md
+++ b/_guides/09_autobids.md
@@ -52,6 +52,54 @@ singularity run /srv/containers/tar2bids_v0.2.4.sif -h <project-id>_heuristic.py
 This is an example code for a heuristic file:
 
 ```
+import os
+import numpy
+from cfmm_base import infotodict as cfmminfodict
+from cfmm_base import create_key
+
+
+def infotodict(seqinfo):
+    """Heuristic evaluator for determining which runs belong where
+    allowed template fields - follow python string module:
+    item: index within category
+    subject: participant id
+    seqitem: run number during scanning
+    subindex: sub index within group
+    """
+
+    # call cfmm for general labelling and get dictionary
+    info = cfmminfodict(seqinfo)
+
+    task = create_key('{bids_subject_session_dir}/func/{bids_subject_session_prefix}_task-task_run-{item:02d}_bold')
+    task_sbref = create_key(
+        '{bids_subject_session_dir}/func/{bids_subject_session_prefix}_task-task_run-{item:02d}_sbref')
+
+    fmap_sbref = create_key('{bids_subject_session_dir}/fmap/{bids_subject_session_prefix}_dir-{dir}_epi')
+
+    # t13d = create_key('{bids_subject_session_dir}/anat/{bids_subject_session_prefix}_acq-MPRAGE_run-{item:02d}_T1w')
+
+    info[task] = []
+    info[task_sbref] = []
+    info[fmap_sbref] = []
+    # info[t13d]=[]
+
+    for idx, s in enumerate(seqinfo):
+
+        if ('1.8iso_AP' in (s.series_description).strip()):
+            if (s.dim4 == 1 and 'SBRef' in (s.series_description).strip()):
+                info[task_sbref].append({'item': s.series_id})
+            elif (s.dim4 > 200):
+                info[task].append({'item': s.series_id})
+
+        elif ('1.8iso_PA' in (s.series_description).strip()):
+            if (s.dim4 == 1):
+                # if 'SBRef' in (s.series_description).strip():
+                info[fmap_sbref].append({'item': s.series_id, 'dir': 'PA'})
+
+        # elif ('mp2rage' in (s.series_description).strip()):
+        #    info[t13d].append({'item': s.series_id})
+
+    return info
 
 ```