This element can be used in different contexts:

1. In the context of tsd:elementInfo or tsd:attributeInfo:

   Purpose	In the context of tsd:elementInfo or tsd:attributeInfo, this element is used for the following purposes: To represent the logical subtree of the corresponding element; To define default settings for the child elements of the tsd:collation element; To define functions for generating default values for the child elements using the tsd:default element; To define action triggers; for this purpose see tsd:trigger. This element is optional.
   Parent element	tsd:elementInfo or tsd:attributeInfo
   Child elements	tsd:collation, tsd:default, tsd:trigger
   Attributes	None
   Type	xs:complexType

2. In the context of tsd:shadowXML:

   Purpose	In the context of tsd:shadowXML, this element can be used to specify: Open or closed content For details, see the section Open Content vs. Closed Content Validation of the Tamino XML Schema User Guide. Unique key definitions For details, see the section Definition of Unique Keys of the Tamino XML Schema User Guide. This element is optional.
   Parent element	tsd:shadowXML
   Child elements	tsd:content, tsd:unique
   Attributes	None
   Type	xs:complexType

   Example

   The following example illustrates the use of the tsd:logical element in the context of tsd:shadowXML. This example defines the Server Extensions for the shadow functions and specifies that the schema should be treated as open content:

   <tsd:shadowXML>
     <tsd:onBinaryInsert>SXSBinaryIndexer.put</tsd:onBinaryInsert>
     <tsd:onTextInsert>SXSTextIndexer.put</tsd:onTextInsert>
     <tsd:logical>
       <tsd:content>open</tsd:content>
     </tsd:logical>
   </tsd:shadowXML>
   

3. In the context of tsd:doctype:

   Caution:
   This usage of tsd:logical is deprecated in Tamino 4.2.

   Purpose	In the context of tsd:doctype, this element can be used to specify: Access options For details, see the section Access options of the Tamino XML Schema User Guide. Open or closed content For details, see the section Open Content vs. Closed Content Validation of the Tamino XML Schema User Guide. Unique key definitions For details, see the section Definition of Unique Keys of the Tamino XML Schema User Guide. This element is optional.
   Parent element	tsd:doctype
   Child elements	tsd:content, tsd:accessOptions, tsd:unique
   Attributes	None
   Type	xs:complexType