diff --git a/spa/include/spa/param/props.h b/spa/include/spa/param/props.h
index bd7a9fd22..344f5f9b5 100644
--- a/spa/include/spa/param/props.h
+++ b/spa/include/spa/param/props.h
@@ -42,7 +42,8 @@ enum spa_prop_info {
 					  *  is of the type of the property, the second
 					  *  one is a string with a user readable label
 					  *  for the value. */
-	SPA_PROP_INFO_container,	/**< type of container if any */
+	SPA_PROP_INFO_container,	/**< type of container if any (Id) */
+	SPA_PROP_INFO_params,		/**< is part of params property (Bool) */
 };
 
 /** predefined properties for SPA_TYPE_OBJECT_Props */
@@ -100,6 +101,13 @@ enum spa_prop {
 	SPA_PROP_gain,
 	SPA_PROP_sharpness,
 
+	SPA_PROP_START_Other	= 0x80000,	/**< other properties */
+	SPA_PROP_params,			/**< simple control params
+						  *    (Struct(
+						  *	  (String : key,
+						  *	   Pod    : value)*)) */
+
+
 	SPA_PROP_START_CUSTOM	= 0x1000000,
 };
 
diff --git a/spa/include/spa/param/type-info.h b/spa/include/spa/param/type-info.h
index 84e3c245a..0d305ef7d 100644
--- a/spa/include/spa/param/type-info.h
+++ b/spa/include/spa/param/type-info.h
@@ -121,6 +121,8 @@ static const struct spa_type_info spa_type_props[] = {
 	{ SPA_PROP_exposure, SPA_TYPE_Int, SPA_TYPE_INFO_PROPS_BASE "exposure", NULL },
 	{ SPA_PROP_gain, SPA_TYPE_Int, SPA_TYPE_INFO_PROPS_BASE "gain", NULL },
 	{ SPA_PROP_sharpness, SPA_TYPE_Int, SPA_TYPE_INFO_PROPS_BASE "sharpness", NULL },
+
+	{ SPA_PROP_params, SPA_TYPE_Struct, SPA_TYPE_INFO_PROPS_BASE "params", NULL },
 	{ 0, 0, NULL, NULL },
 };
 
@@ -135,6 +137,7 @@ static const struct spa_type_info spa_type_prop_info[] = {
 	{ SPA_PROP_INFO_type, SPA_TYPE_Pod, SPA_TYPE_INFO_PROP_INFO_BASE "type", NULL },
 	{ SPA_PROP_INFO_labels, SPA_TYPE_Struct, SPA_TYPE_INFO_PROP_INFO_BASE "labels", NULL },
 	{ SPA_PROP_INFO_container, SPA_TYPE_Id, SPA_TYPE_INFO_PROP_INFO_BASE "container", NULL },
+	{ SPA_PROP_INFO_params, SPA_TYPE_Bool, SPA_TYPE_INFO_PROP_INFO_BASE "params", NULL },
 	{ 0, 0, NULL, NULL },
 };