How to setup alert in helm chart values file?

I am trying to setup grafana alerts in helm chart.

For that, using the existing manually created alert from another grafana instance, which we want to keep in new grafana setup by default with helm chart.

As not able to find any export/import option, trying to edit manually.
In this sample: helm-charts/values.yaml at main · grafana/helm-charts (

But, not able to find below option in the values file to set.

Please help.
And also where to get datasourceUid and orgId values to set in alerts?