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This function is used in Python Scripting.


Returns a PyDataSet holding information about all of the sessions (logged-in users) on the Gateway. Optional regular-expression based filters can be provided to filter the username or the username and the project returned. 

 The PyDataSet returned has these columns:

  • username (String)
  • project (String)
  • address (String)
  • isDesigner (Boolean)
  • clientId (String)
  • creationTime (Date)

Note that this function will not return all sessions across a cluster - only the cluster node that is being communicated with by the client who makes the call.

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As of Ignition 7.9.9, this function accepts keyword arguments.

Client Permission Restrictions

This scripting function has no Client Permission restrictions.


system.util.getSessionInfo([usernameFilter] [, projectFilter])

  • Parameters

String usernameFilter - A regular-expression based filter string to restrict the list by username. [optional]

String projectFilter - A regular-expression based filter string to restrict the list by project [optional]

  • Returns

PyDataSet - A dataset representing the Gateway's current sessions.

  • Scope


Code Examples
Code Snippet
# This code would get the entire table of sessions and put it in an adjacent table
table = event.source.parent.getComponent("Table")
sessions = system.util.getSessionInfo() = system.db.toDataSet(sessions)
Code Snippet
# This code would count the number of times a user named "billy" is logged in
sessions = system.util.getSessionInfo("billy")
system.gui.messageBox("Billy has %d sessions" % len(sessions))
Code Snippet
# This code would return session info on all users starting with the letters "bi"
sessions = system.util.getSessionInfo("bi.*")
Code Snippet
# This code uses a single character wildcard in the username
sessions = system.util.getSessionInfo("")
Code Snippet
# This code would return session info on a user named "bill.smith"
sessions = system.util.getSessionInfo("bill\.smith")
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1 Comment

  1. Anonymous

    Any examples of this function used to populate a Power Table with all fields?