system.historian.queryAnnotations
This function is used in Python Scripting.
Description​
Queries annotations for the specified Historian.
Client Permission Restrictions​
This scripting function has no Client Permission restrictions.
Syntax​
system.historian.queryAnnotations(paths, startDate[, endDate][, allowedTypes])
Parameters​
| Type | Parameter | Description |
|---|---|---|
| List | paths | A list of historical paths to query annotations for. |
| Date | startDate | A start time to query annotations for. |
| Date | endDate | An end time to query annotations for. [optional] |
| List | allowedTypes | A list of string types to query annotations for. [optional] |
Returns​
Results - A Results object that contains a list of query results.
Scope​
Gateway, Vision Client, Perspective Session