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Asked: 2026-05-10T13:33:05+00:00

I need to create an XML schema that looks something like this: <xs:element name=wrapperElement>

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I need to create an XML schema that looks something like this:

<xs:element name='wrapperElement'> <xs:complexType>     <xs:sequence>         <xs:element type='el1'>         <xs:element type='el2'>     </xs:sequence>      <xs:WhatGoesHere?>         <xs:element type='el3'>          <xs:element type='el4'>         <xs:element type='el5'>     </xs:WhatGoesHere?>      <xs:sequence>         <xs:element type='el6'>         <xs:element type='el7'>     </xs:sequence> </xs:complexType> </xs:element>

What I need is a replacement for ‘WhatGoesHere’ such that any number of el3, el4 and el5 can appear in any order. For instance it could contain {el3, el3, el5, el3}

Any idea on how to solve this?

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1 Answer

  1. You want xs:choice with occurrence constraints:

    <xs:element name='wrapperElement'>   <xs:complexType>     <xs:sequence>       <xs:element name='e11'/>       <xs:element name='el2'/>       <xs:choice minOccurs='0' maxOccurs='unbounded'>         <xs:element name='el3'/>         <xs:element name='el4'/>         <xs:element name='el5'/>       </xs:choice>       <xs:element name='el6'/>       <xs:element name='el7'/>     </xs:sequence>   </xs:complexType> </xs:element>
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