diff --git a/plugins/FCI_Iteration/EZFIO.cfg b/plugins/FCI_Iteration/EZFIO.cfg
new file mode 100644
index 00000000..7eefcc49
--- /dev/null
+++ b/plugins/FCI_Iteration/EZFIO.cfg
@@ -0,0 +1,28 @@
+[n_iter]
+interface: ezfio
+doc: Number of iterations needed
+type: integer
+
+[n_det]
+interface: ezfio
+doc: number of determinants at iteration
+type: integer
+size: (fci_iterations.n_iter)
+ 
+[energy]
+interface: ezfio
+doc: The energy without a pt2 correction for n_det
+type: real 
+size: (fci_iterations.n_iter)
+
+[pt2]
+interface: ezfio
+doc: The pt2 correction for n_det
+type: real 
+size: (fci_iterations.n_iter)
+
+[energy_pt2]
+interface: ezfio
+doc: The energy with pt2 correction for n_det
+type: real 
+size: (fci_iterations.n_iter)