This template will use existing recovery services vault and policy, and enables protection of classic and ARM based IaaSVMs. VM and vault - both must be in same GEO.
To create new Recovery Services Vault, please use this existing template: [Create Recovery Services Vault] (https://github.com/Azure/azure-quickstart-templates/tree/master/101-recovery-services-vault-create)
To create Recovery Services Vault and Backup Policy, please use this existing template: [Create Recovery Services Vault and Weekly Backup Policy] (https://github.com/Azure/azure-quickstart-templates/tree/master/101-recovery-services-weekly-backup-policy-create)
For more information, Visit [Back up ARM VMs to a Recovery Services vault] (https://azure.microsoft.com/en-us/documentation/articles/backup-azure-vms-first-look-arm/)