diff --git a/python/obitools3/dms/capi/obiview.pxd b/python/obitools3/dms/capi/obiview.pxd
index ea56620..ca34466 100644
--- a/python/obitools3/dms/capi/obiview.pxd
+++ b/python/obitools3/dms/capi/obiview.pxd
@@ -24,7 +24,7 @@ cdef extern from "obiview.h" nogil:
     extern const_char_p ID_COLUMN
     extern const_char_p DEFINITION_COLUMN
     extern const_char_p QUALITY_COLUMN
-
+    extern const_char_p COUNT_COLUMN
 
     struct Alias_column_pair_t :
         Column_reference_t    column_refs
@@ -204,7 +204,8 @@ cdef extern from "obiview.h" nogil:
                                                          OBIDMS_column_p column_p, 
                                                          index_t line_nb, 
                                                          index_t element_idx, 
-                                                         const char* value)
+                                                         const char* value,
+                                                         int offset)
 
     int obi_set_qual_int_with_elt_idx_and_col_p_in_view(Obiview_p view, 
                                                         OBIDMS_column_p column_p, 
@@ -216,7 +217,8 @@ cdef extern from "obiview.h" nogil:
     char* obi_get_qual_char_with_elt_idx_and_col_p_in_view(Obiview_p view, 
                                                            OBIDMS_column_p column_p, 
                                                            index_t line_nb, 
-                                                           index_t element_idx)
+                                                           index_t element_idx,
+                                                           int offset)
 
     const uint8_t* obi_get_qual_int_with_elt_idx_and_col_p_in_view(Obiview_p view, 
                                                                    OBIDMS_column_p column_p, 
@@ -228,7 +230,8 @@ cdef extern from "obiview.h" nogil:
                                                           OBIDMS_column_p column_p, 
                                                           index_t line_nb, 
                                                           const char* element_name, 
-                                                          const char* value)
+                                                          const char* value,
+                                                          int offset)
 
     int obi_set_qual_int_with_elt_name_and_col_p_in_view(Obiview_p view, 
                                                          OBIDMS_column_p column_p, 
@@ -240,7 +243,8 @@ cdef extern from "obiview.h" nogil:
     char* obi_get_qual_char_with_elt_name_and_col_p_in_view(Obiview_p view, 
                                                             OBIDMS_column_p column_p, 
                                                             index_t line_nb, 
-                                                            const char* element_name)
+                                                            const char* element_name,
+                                                            int offset)
 
     const uint8_t* obi_get_qual_int_with_elt_name_and_col_p_in_view(Obiview_p view, 
                                                                     OBIDMS_column_p column_p, 
@@ -296,3 +300,26 @@ cdef extern from "obiview.h" nogil:
                                                      index_t line_nb, 
                                                      index_t element_idx)
 
+    
+    # OBI_IDX
+    int obi_set_index_with_elt_name_and_col_p_in_view(Obiview_p view, 
+                                                     OBIDMS_column_p column_p, 
+                                                     index_t line_nb, 
+                                                     const_char_p element_name, 
+                                                     index_t value)
+
+    int obi_set_index_with_elt_idx_and_col_p_in_view(Obiview_p view,
+                                                     OBIDMS_column_p column_p, 
+                                                     index_t line_nb, 
+                                                     index_t element_idx, 
+                                                     index_t value)
+    
+    index_t obi_get_index_with_elt_name_and_col_p_in_view(Obiview_p view,
+                                                          OBIDMS_column_p column_p, 
+                                                          index_t line_nb, 
+                                                          const_char_p element_name)
+
+    index_t obi_get_index_with_elt_idx_and_col_p_in_view(Obiview_p view,
+                                                         OBIDMS_column_p column_p, 
+                                                         index_t line_nb, 
+                                                         index_t element_idx)