Add onChange function to clear MRVS values

Author: hanna-g-sn

Client-Side Components/Catalog Client Script/onChange Clear Values on MRVS/code_snippet.js

@@ -0,0 +1,6 @@
+function onChange(control, oldValue, newValue, isLoading) {
+    if (isLoading || newValue == '') {
+        return;
+    }
+    g_form.clearValue('IO:sysid'); //pass in the sys_id of your MRVS/multi row variable set
+}