pem.upgradeSubscription

This method is supported by Operations starting from version 2.3.

This method upgrades or downgrades a Subscription to the specified Service Template.

The method has the following input parameters:

Name	Type	Short Description
`subscription_id`	int	The ID of the Subscription to upgrade or downgrade.
`service_template_id`	int	The ID of the Service Template to upgrade or downgrade the Subscription to.
`[custom_resource_limits]`	array of structs	Array of custom Resource Types limits. If specified, custom limits override the limits which are specified in the destination Service Template.
`resource_type_id`	int	Resource Type ID.
`limit`	bigint	Resource Type limit. Note: Use -1 value to make a resource unlimited.

This method has the following output parameters:

Name	Type	Short Description
`rt_added`	array of int	IDs of Resource Types that are added to Subscription.
`rt_removed`	array of int	IDs of Resource Types that are removed from Subscription.
`rt_mapped`	array of structs	This parameter contains the list of the Resource Types mapped between source and destination Service Templates. Mapped Resource Type means that the Resource Type in the source Service Template has the same Resource Class as the Resource Type in the destination Service Template.
`src_rt_id`	int	ID of Resource Type in the source Service Template.
`dst_rt_id`	int	ID of Resource Type in the destination Service Template.