ServiceNow – Automated Data Source Trigger

Integration/Import Sets/Import sets overview/TriggerDataSource.README.md

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+The triggerDataSource() function eliminates the need for manually executing a Data Source from the UI.
It programmatically triggers the import of a predefined Data Source record and loads the associated data into an Import Set table.
+This function is typically used in:
+* Scheduled Script Executions
+* Flow Designer Actions.

Integration/Import Sets/Import sets overview/TriggerDataSource.js

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+triggerDataSource: function() {
+
+    var dataSourceSysId = gs.getProperty('ds.tag.based.sys.id'); //Store the sysId of DataSource from system property
+
+    var grDataSource = new GlideRecord('sys_data_source');
+    if (grDataSource.get(dataSourceSysId)) {
+        var loader = new GlideImportSetLoader(); //OOB Method to load
+        var importSetRec = loader.getImportSetGr(grDataSource);
+        var ranload = loader.loadImportSetTable(importSetRec, grDataSource);
+        importSetRec.state = "loaded";
+        importSetRec.update();
+        return importSetRec.getUniqueValue();
+    }
+},