Method add_to_group

scene/main/node.cpp:2457–2479

}

void Node::add_to_group(const StringName &p_identifier, bool p_persistent) {
	ERR_THREAD_GUARD
	ERR_FAIL_COND_MSG(p_identifier.is_empty(), vformat("Cannot add node '%s' to a group with an empty name.", get_name()));

	if (data.grouped.has(p_identifier)) {
		return;
	}

	GroupData gd;

	if (data.tree) {
		gd.group = data.tree->add_to_group(p_identifier, this);
	} else {
		gd.group = nullptr;
	}

	gd.persistent = p_persistent;

	data.grouped[p_identifier] = gd;
	if (p_persistent) {
		_emit_editor_state_changed();
	}
}

void Node::remove_from_group(const StringName &p_identifier) {
	ERR_THREAD_GUARD