AFDataCache.UpdateData Method
- Last UpdatedJan 12, 2026
- 2 minute read
- PI System
- AF SDK 3.2.0
- Developer
Update the time series cache for the attributes managed by this AFDataCache.
Namespace: OSIsoft.AF.Data
Assembly: OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.2.0.7
Syntax
public AFErrors<AFAttribute> UpdateData()
Public Function UpdateData As AFErrors(Of AFAttribute) Dim instance As AFDataCache Dim returnValue As AFErrors(Of AFAttribute) returnValue = instance.UpdateData()
public: AFErrors<AFAttribute^>^ UpdateData()
member UpdateData : unit -> AFErrors<AFAttribute>
Return Value
Type: AFErrorsAFAttributeReturns a list of the errors associated with the AFAttribute that caused the error. If there are no errors, then is returned.
Remarks
The cache will be trimmed before being populated with data from the AFDataPipe.
Events that are older than CacheTimeSpan from current time are subject to trimming.