Partition deleted by relative retention period

Event field name	Field value
`Name`	Name of the space to which the partition belongs.
`Message`	`deleted partition data`
`DeviceAction`	`applied retention policy by percent`
`SourceServiceName`	`scheduler`
`DeviceCustomDate1`	Data modification time (UTC). The date that is displayed in the storage partitions in the 'date' column.
`DeviceCustomDate1Label`	`date of partition`
`DeviceCustomNumber1`	Partition size.
`DeviceCustomNumber1Label`	`size`
`DeviceCustomNumber2`	Number of events.
`DeviceCustomNumber2Label`	`events`
`EventOutcome`	`succeeded`