<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Thu Jun 25 22:24:48 UTC 2026 -->
<xs:schema elementFormDefault="qualified" targetNamespace="http://www.franklintempletondatasources.com/20260430" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://fasb.org/us-types/2026" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:pmmt="http://www.franklintempletondatasources.com/20260430" xmlns:dtr="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="pmmt-20260430_lab.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="pmmt-20260430_pre.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"/>
    </xs:appinfo>
  </xs:annotation>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cef/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/cef-pre/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026_pre.xsd"/>
<!-- [WMV7][s4hA1s/UxaKNNlzkUoTTEK5MThuXxOKVeVyPZS1hUkY5GVULnvOXRmHMc5SKwR5vT1KkSWOB3JTCN5z2yeJyM8BL7kdMpMLvtBMFL76/wdPu0x9RHM1MUCUXqeu9f2HnEvLTMOE0IwUHdRXumwi57xyPTsGjHwG+/m1YFP5fx8UuVlBWy3F1KtrjdAOhj079xW8tf4KnRvl/jKdqQRCqceNGaTf5q/7E588v2rq3v+xFC1rVweKDeGvXat4ElX2tp1w3+BkkVg5J7sXs5NAnS22nYDPQn8ZrQK4UwXlXbJ2ruKnlJcwj4DWzW3IBjEalXfNMH4oIJBV3ut4YJNIi/zJGnnFUOpo8S+dz9eczkB54XOhc0D8b+GvOT7VCTivwfQ31xjhJCw==] CSR-->
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
</xs:schema>
