<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:oef="http://xbrl.sec.gov/oef/2025" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xlink="http://www.w3.org/1999/xlink" targetNamespace="http://www.mainstayinvestments.com/20251130" elementFormDefault="qualified" xsi:schemaLocation="http://www.xbrl.org/2006/ref http://www.xbrl.org/2006/ref-2006-02-27.xsd" xmlns:cik0001469192="http://www.mainstayinvestments.com/20251130">
	<xs:annotation>
		<xs:appinfo>
			<link:linkbaseRef xlink:type="simple" xlink:href="c485bpos-20260327_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
			<link:linkbaseRef xlink:type="simple" xlink:href="c485bpos-20260327_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
			<link:linkbaseRef xlink:type="simple" xlink:href="c485bpos-20260327_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
			<link:roleType roleURI="http://www.mainstayinvestments.com/20251130/role/DocumentAndEntityInformation1" id="DocumentAndEntityInformation1">
				<link:definition>010000 - Document - Document and Entity Information {Elements}</link:definition>
				<link:usedOn>link:presentationLink</link:usedOn>
				<link:usedOn>link:calculationLink</link:usedOn>
				<link:usedOn>link:definitionLink</link:usedOn>
			</link:roleType>
			<link:roleType roleURI="http://www.mainstayinvestments.com/20251130/role/RRDetailData2" id="RRDetailData2">
				<link:definition>020102 - Disclosure - Risk/Return Detail Data (NYLI Cushing MLP Premier Fund) {Elements}</link:definition>
				<link:usedOn>link:presentationLink</link:usedOn>
				<link:usedOn>link:calculationLink</link:usedOn>
				<link:usedOn>link:definitionLink</link:usedOn>
			</link:roleType>
			<link:roleType roleURI="http://www.mainstayinvestments.com/20251130/role/RRRiskTable3" id="RRRiskTable3">
				<link:definition>020101 - Schedule - Risk Table {Transposed}</link:definition>
				<link:usedOn>link:presentationLink</link:usedOn>
				<link:usedOn>link:calculationLink</link:usedOn>
				<link:usedOn>link:definitionLink</link:usedOn>
			</link:roleType>
			<link:roleType roleURI="http://www.mainstayinvestments.com/20251130/role/RRCustomRiskRole4" id="RRCustomRiskRole4">
				<link:definition>010004 - Schedule - Investment Risks {Unlabeled}</link:definition>
				<link:usedOn>link:presentationLink</link:usedOn>
				<link:usedOn>link:calculationLink</link:usedOn>
				<link:usedOn>link:definitionLink</link:usedOn>
			</link:roleType>
		</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/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.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://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
	<xs:import namespace="http://xbrl.sec.gov/country-def/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025_def.xsd" />
	<xs:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd" />
	<xs:import namespace="http://xbrl.sec.gov/fnd-oef/2025" schemaLocation="https://xbrl.sec.gov/fnd/2025/fnd-oef-2025.xsd" />
	<xs:element name="S000045768SummaryMember" id="cik0001469192_S000045768SummaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="S000045768Member" id="cik0001469192_S000045768Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="C000142690Member" id="cik0001469192_C000142690Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="C000142693Member" id="cik0001469192_C000142693Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="C000142691Member" id="cik0001469192_C000142691Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="C000142692Member" id="cik0001469192_C000142692Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="S000045768Summary1Member" id="cik0001469192_S000045768Summary1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="PrincipalRisks2Member" id="cik0001469192_PrincipalRisks2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="MarketRisk2Member" id="cik0001469192_MarketRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="PortfolioManagementRisk2Member" id="cik0001469192_PortfolioManagementRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="CashFlowRisk2Member" id="cik0001469192_CashFlowRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="ConcentrationRisk2Member" id="cik0001469192_ConcentrationRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="MLPsandOtherNaturalResourcesSectorCompaniesRisks2Member" id="cik0001469192_MLPsandOtherNaturalResourcesSectorCompaniesRisks2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="IndustrySpecificRisk2Member" id="cik0001469192_IndustrySpecificRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="MLPStructureRisk2Member" id="cik0001469192_MLPStructureRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="TaxRisks2Member" id="cik0001469192_TaxRisks2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="CanadianInvestmentRisks2Member" id="cik0001469192_CanadianInvestmentRisks2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="CanadianRoyaltyTrustsRisks2Member" id="cik0001469192_CanadianRoyaltyTrustsRisks2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="EquitySecuritiesRisk2Member" id="cik0001469192_EquitySecuritiesRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="DebtSecuritiesRisk2Member" id="cik0001469192_DebtSecuritiesRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="MarketCapitalizationRisk2Member" id="cik0001469192_MarketCapitalizationRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="LiquidityandValuationRisk2Member" id="cik0001469192_LiquidityandValuationRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="Non-DiversificationRisk2Member" id="cik0001469192_Non-DiversificationRisk2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="Russell3000IndexMember" id="cik0001469192_Russell3000IndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="AlerianMidstreamEnergySelectIndexMember" id="cik0001469192_AlerianMidstreamEnergySelectIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="CushingMLPPremierTieredIndexMember" id="cik0001469192_CushingMLPPremierTieredIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="AlerianMLPIndexMember" id="cik0001469192_AlerianMLPIndexMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
	<xs:element name="CustomRisksTableTextBlock" id="cik0001469192_CustomRisksTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" />
</xs:schema>