From a137e70c7505b998ae04be1dc34123930a48bd66 Mon Sep 17 00:00:00 2001
From: Joni Herttuainen <joni.herttuainen@epfl.ch>
Date: Thu, 1 Feb 2024 18:13:46 +0100
Subject: [PATCH] add an example in group concept

---
 bluepysnap/nodes/node_population.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bluepysnap/nodes/node_population.py b/bluepysnap/nodes/node_population.py
index 1b503a8a..c95c97b7 100644
--- a/bluepysnap/nodes/node_population.py
+++ b/bluepysnap/nodes/node_population.py
@@ -48,6 +48,8 @@
     >>> nodes.ids(group={ Node.LAYER: 2})  # returns list of IDs matching layer==2
     >>> nodes.ids(group={ Node.LAYER: [2, 3]})  # returns list of IDs with layer in [2,3]
     >>> nodes.ids(group={ Node.X: (0, 1)})  # returns list of IDs with 0 < x < 1
+    >>> # returns list of IDs of biophysical node populations
+    >>> nodes.ids(group={ "population_type": "biophysical"})
     >>> # returns list of IDs matching one of the queries inside the 'or' list
     >>> nodes.ids(group={'$or': [{ Node.LAYER: [2, 3]},
     >>>                          { Node.X: (0, 1), Node.MTYPE: 'L1_SLAC' }]})