diff --git a/extension.json b/extension.json
index a092be2..2337e8d 100644
--- a/extension.json
+++ b/extension.json
@@ -132,6 +132,7 @@
 		},
 		"ve.ext.isekai.misc": {
 			"scripts": [
+				"ve.ui.MWParameterDropdownInputWidget.js",
 				"ve.ext.isekai.misc.js"
 			],
 			"targets": [
diff --git a/modules/ve.ui.MWParameterDropdownInputWidget.js b/modules/ve.ui.MWParameterDropdownInputWidget.js
new file mode 100644
index 0000000..ccffa6d
--- /dev/null
+++ b/modules/ve.ui.MWParameterDropdownInputWidget.js
@@ -0,0 +1,48 @@
+/*!
+ * VisualEditor UserInterface MWParameterDropdownInputWidget class.
+ *
+ * @copyright 2011-2020 VisualEditor Team and others; see AUTHORS.txt
+ * @license The MIT License (MIT); see LICENSE.txt
+ */
+
+/**
+ * Creates an ve.ui.MWParameterDropdownInputWidget object.
+ *
+ * @class
+ * @extends OO.ui.DropdownWidget
+ *
+ * @constructor
+ */
+ve.ui.MWParameterDropdownInputWidget = function VeUiMWParameterDropdownInputWidget( config, defaultValue ) {
+	console.log('MWParameterDropdownInputWidget defaultValue', defaultValue);
+	if ( typeof config !== "undefined" ) {
+		config.options = parseOptions( defaultValue );
+	}
+	console.log('MWParameterDropdownInputWidget params', config.options);
+	// Parent constructor
+	ve.ui.MWParameterDropdownInputWidget.parent.apply( this, [ config ] );
+};
+
+/* Inheritance */
+
+OO.inheritClass( ve.ui.MWParameterDropdownInputWidget, OO.ui.DropdownInputWidget );
+
+/* Methods */
+function parseOptions ( optionsText ) {
+	var optionLine = optionsText.split('\n');
+	var options = [];
+	optionLine.forEach( ( optionText ) => {
+		if ( optionText.trim().length > 0 ) {
+			var data = optionText.split( ':' );
+			if ( data.length >= 2 ) {
+				var optionValue = data[ 0 ].trim();
+				var optionLabel = data.slice( 1 ).join( ':' ).trim();
+				options.push( {
+					data: optionValue,
+					label: optionLabel
+				} );
+			}
+		}
+	} );
+	return options;
+}