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AVEVA™ Everything E3D

Query the Session History for an Element or Attribute

Query the Session History for an Element or Attribute

  • Last UpdatedAug 21, 2023
  • 1 minute read

Lets you query modification history for a given attribute; that means, session numbers during which the attribute was modified.

Examples:

Q HISTORY DIAM

Gives all sessions in which DIAM attribute was modified.

Note:
HISTORY is an array type pseudo-attribute, so that qualifying positions may be appended to query specific occurrences in the modification history. For example:
Q HISTORY[2] DIAM
gives second most recent session in which DIAM attribute was modified.

Note:
History records are restricted to a maximum of 120 sessions.

Command Syntax:

Q HISTORY attribute_name

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