Create retentionLabel

POST https://graph.microsoft.com/beta/security/labels/retentionLabels

Request Body

{"displayName"=>"{{labelDisplayName}}", "behaviorDuringRetentionPeriod"=>"retain", "actionAfterRetentionPeriod"=>"none", "retentionTrigger"=>"dateLabeled", "retentionDuration"=>{"@odata.type"=>"microsoft.graph.security.retentionDurationInDays", "days"=>"2555"}, "descriptionForAdmins"=>"{{labelDescriptionForAdmins}}", "descriptionForUsers"=>"{{labelDescriptionForUsers}}"}