diff --git a/src/modules/moduleBoundary.f90 b/src/modules/moduleBoundary.f90
index 83c815c..9fb212f 100644
--- a/src/modules/moduleBoundary.f90
+++ b/src/modules/moduleBoundary.f90
@@ -46,6 +46,14 @@ MODULE moduleBoundary
 
   END TYPE boundaryIonization
 
+  !Secondary electron emission (by ion impact)
+  TYPE, PUBLIC, EXTENDS(boundaryGeneric):: boundarySEE
+    !Yield as a function of ion energy
+    TYPE(table1D):: yield
+    CONTAINS
+
+  END TYPE boundarySEE
+
   !Symmetry axis
   TYPE, PUBLIC, EXTENDS(boundaryGeneric):: boundaryAxis
     CONTAINS
@@ -137,4 +145,14 @@ MODULE moduleBoundary
 
     END SUBROUTINE initIonization
 
+    SUBROUTINE initSEE(boundary, tableFile)
+      IMPLICIT NONE
+
+      CLASS(boundaryGeneric), ALLOCATABLE, INTENT(out):: boundary
+      CHARACTER(:), ALLOCATABLE, INTENT(in):: tableFile
+
+      ALLOCATE(boundarySEE:: boundary)
+
+    END SUBROUTINE initSEE
+
 END MODULE moduleBoundary