Enabling search box on Prompt/Filter using Analysis for Microsoft Excel API Method

Hi,

I am using API Method SAPCallMemberSelector in My Macro Code in Analysis for Microsoft Excel Report to call my HANA hierarchy built on a Calculation View

RESULT = Application.Run("SAPCallMemberSelector", "DS_1", "FILTER", "XYZ", "", "MULTIPLE")

XYZ - Hierarchy Child Column

But note in Highlighted Part the search box is disabled.

Is there any way to enable it ?

Thanks