diff --git a/addons/block_code/code_generation/block_definition.gd b/addons/block_code/code_generation/block_definition.gd
index 26ac9e70..bab521c6 100644
--- a/addons/block_code/code_generation/block_definition.gd
+++ b/addons/block_code/code_generation/block_definition.gd
@@ -81,6 +81,15 @@ func _to_string():
 	return "%s - %s" % [name, target_node_class]
 
 
+func get_input_parameters() -> Dictionary:
+	var result: Dictionary
+	for item in parse_display_template(display_template):
+		if item.has("in_parameter"):
+			var parameter = item.get("in_parameter")
+			result[parameter["name"]] = parameter["type"]
+	return result
+
+
 func get_output_parameters() -> Dictionary:
 	var result: Dictionary
 	for item in parse_display_template(display_template):
diff --git a/addons/block_code/ui/blocks/block/block.gd b/addons/block_code/ui/blocks/block/block.gd
index 38123c5c..5b733be2 100644
--- a/addons/block_code/ui/blocks/block/block.gd
+++ b/addons/block_code/ui/blocks/block/block.gd
@@ -217,10 +217,32 @@ func _get_tooltip(at_position: Vector2) -> String:
 	if not definition:
 		return ""
 
-	if definition.variant_type == Variant.Type.TYPE_NIL:
-		return definition.description
+	var lines: Array[String]
 
-	return "{description}\n\nType: [b]{type}[/b]".format({"description": definition.description, "type": type_string(definition.variant_type)})
+	lines.append(definition.description)
+
+	lines.append("")
+	lines.append("[code]{0}[/code]".format([definition.code_template.strip_edges()]))
+
+	var input_parameters := definition.get_input_parameters()
+	var output_parameters := definition.get_output_parameters()
+
+	if input_parameters or output_parameters:
+		lines.append("")
+
+	for parameter_name in input_parameters:
+		var parameter_type = input_parameters[parameter_name]
+		lines.append("{0}: [b]{1}[/b]".format([parameter_name, type_string(parameter_type)]))
+
+	for parameter_name in output_parameters:
+		var parameter_type = output_parameters[parameter_name]
+		lines.append("{0}: [b]{1}[/b]".format([parameter_name, type_string(parameter_type)]))
+
+	if definition.variant_type != Variant.Type.TYPE_NIL:
+		lines.append("")
+		lines.append("Type: [b]{0}[/b]".format([type_string(definition.variant_type)]))
+
+	return "\n".join(lines)
 
 
 func _make_custom_tooltip(for_text) -> Control: