diff --git a/dtool/src/interrogatedb/interrogate_interface.cxx b/dtool/src/interrogatedb/interrogate_interface.cxx
index 2cd08d4adf..3fc2053855 100644
--- a/dtool/src/interrogatedb/interrogate_interface.cxx
+++ b/dtool/src/interrogatedb/interrogate_interface.cxx
@@ -176,6 +176,18 @@ interrogate_element_setter(ElementIndex element) {
   return InterrogateDatabase::get_ptr()->get_element(element).get_setter();
 }
 
+bool
+interrogate_element_is_sequence(ElementIndex element) {
+  // cerr << "interrogate_element_is_sequence(" << element << ")\n";
+  return InterrogateDatabase::get_ptr()->get_element(element).is_sequence();
+}
+
+bool
+interrogate_element_is_mapping(ElementIndex element) {
+  // cerr << "interrogate_element_is_mapping(" << element << ")\n";
+  return InterrogateDatabase::get_ptr()->get_element(element).is_mapping();
+}
+
 int
 interrogate_number_of_globals() {
   // cerr << "interrogate_number_of_globals()\n";
diff --git a/dtool/src/interrogatedb/interrogate_interface.h b/dtool/src/interrogatedb/interrogate_interface.h
index 6c434d7833..cc88af041d 100644
--- a/dtool/src/interrogatedb/interrogate_interface.h
+++ b/dtool/src/interrogatedb/interrogate_interface.h
@@ -153,6 +153,9 @@ EXPCL_INTERROGATEDB FunctionIndex interrogate_element_getter(ElementIndex elemen
 EXPCL_INTERROGATEDB bool interrogate_element_has_setter(ElementIndex element);
 EXPCL_INTERROGATEDB FunctionIndex interrogate_element_setter(ElementIndex element);
 
+EXPCL_INTERROGATEDB bool interrogate_element_is_sequence(ElementIndex element);
+EXPCL_INTERROGATEDB bool interrogate_element_is_mapping(ElementIndex element);
+
 // Global Data
 
 // This is the list of global data elements.