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Eigen Documentation

List DataTags

List tags that match a wildcard/search pattern.

Signature

Section titled “Signature”
  • EIGEN.LIST(datasource, wildcard, horizontal = false)

Parameters

Section titled “Parameters”
  • datasource (string): Historian name. If omitted reads default from settings.
  • wildcard (string): Search pattern. Use * to combine multiple sequences (a)*(b)*(c).
  • horizontal (boolean): If true results are returned horizontally (single row); otherwise vertically (single column).

Returns

Section titled “Returns”
  • string[][] — List of tag names matching the wildcard search pattern.
    • Vertical (default): Single column ["TagName"] with one tag per row.
    • Horizontal (horizontal=true): Single row with tag names spread across columns.

Notes

Section titled “Notes”
  • Results are grouped with groupLists before being returned.

Example

Section titled “Example”
  • =EIGEN.LIST("Demo-influxdb", "DEMO_02TI") — list tags containing exactly DEMO_02TI in Demo-influxdb.
  • =EIGEN.LIST("Demo-influxdb", "DEMO_02TI*PV") — list tags containing DEMO_02TI and followed at some point by PV in Demo-influxdb.

Sample output (vertical):

Tag Names
DEMO_02TI301.PV
DEMO_02TI201.PV
DEMO_02TP101.PV

Support

Section titled “Support”

Have questions or issues? Reach out on our support system: https://eigen.freshdesk.com