I found Manual Interventions - Get https://docs.microsoft.com/en-us/rest/api/azure/devops/release/manual%20interventions/get?view=azure-devops-rest-5.1#manualinterventionstatus with GET-https://vsrm.dev.azure.com/{organization}/{project}/_apis/Release/releases/{releaseId}/manualinterventions/{manualInterventionId}?api-version=5.1
this as REST API to get the details, but the issue is, m not able to find/determine the 'manualInterventionId' in this API. I created release pipeline, set pre-deployment approver details in it, but can someone tell me the exact flow to get Approver details using Manual Interventions task in classic release pipeline.