$session.exists

Examines if the named variable exists in the current session ID.
Syntax
    $session{exists}
    $session.exists
DocumentationExamines if the named variable exists in the current session ID.: $session{exists}{variable_name}

    Paramter:
      1 - exists 2 - variable name
    Returns:
      1 (TRUE) if the variable exists, otherwise 0 (FALSE).
    Throws:
Examples
GroupNet
Minimum required transaction-mode:NONE
Required scripting permission of the developerPERMISSION_FL_ADVANCED
Minimum parameters1
Maximum parameters 1
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