missing object.get_incoming_connections() documentation

doc/base/classes.xml

@@ -27894,6 +27894,11 @@
 			<return type="Array">
 			</return>
 			<description>
+				Returns an [Array] of dictionaries with informations about signals that are connected to this object.
+				Inside each [Dictionary] there are 3 fields:
+				- "source" is a reference to signal emitter.
+				- "signal_name" is name of connected signal.
+				- "method_name" is a name of method to which signal is connected.
 			</description>
 		</method>
 		<method name="get_instance_ID" qualifiers="const">