https://docs.kustom.rocks/tags/global-history/Recent content in Global History on Kustom HQHugoenhttps://docs.kustom.rocks/docs/reference/functions/gh/Mon, 01 Jan 0001 00:00:00 +0000https://docs.kustom.rocks/docs/reference/functions/gh/<h1>GH: global history (get historical value of a global variable by index or timestamp)</h1> <h3>Syntax</h3> gh(var, index_or_timestamp) <h3>Arguments</h3> <ul> <li><b>var</b>: The key of the global to retrieve</li> <li><b>index_or_timestamp</b>: Index (0–999) or timestamp (number >= 1000 or date string like r30m)</li> </ul> <h3>Examples</h3> <table> <tr> <th><b>Formula</b></th> <th><b>Description</b></th> </tr> <tr> <td width="250px"><b>$gh(myvar, 0)$</b></td> <td>Returns the current (most recent) value of myvar</td> </tr> <tr> <td width="250px"><b>$gh(myvar, 5)$</b></td> <td>Returns the value of myvar at index 5 (6th most recent value)</td> </tr> <tr> <td width="250px"><b>$gh(temperature, df("X", r30m))$</b></td> <td>Returns the temperature value from 30 minutes ago</td> </tr> </table>