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%META:TOPICINFO{author="ProjectContributor" date="1231502400" format="1.1" version="1"}%
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%META:TOPICPARENT{name="Macros"}%
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---+++ SESSION_VARIABLE -- get, set or clear a session variable
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* Syntax: =%<nop>SESSION_VARIABLE{"name"}%=
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* Syntax: =%<nop>SESSION_VARIABLE{"name" set="value"}%=
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* Syntax: =%<nop>SESSION_VARIABLE{"name" clear=""}%=
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* %T% The users ID is in the =AUTHUSER= session variable, and is read-only
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* Related: UserAuthentication, [[%IF{"'%INCLUDINGTOPIC%'='Macros'" then="#"}%VarAUTHREALM][AUTHREALM]], [[%IF{"'%INCLUDINGTOPIC%'='Macros'" then="#"}%VarSESSIONID][SESSIONID]], [[%IF{"'%INCLUDINGTOPIC%'='Macros'" then="#"}%VarSESSIONVAR][SESSIONVAR]], [[%IF{"'%INCLUDINGTOPIC%'='Macros'" then="#"}%VarLOGIN][LOGIN]], [[%IF{"'%INCLUDINGTOPIC%'='Macros'" then="#"}%VarLOGOUT][LOGOUT]]