Updates the contact or escalation plan specified.
See https://www.paws-r-sdk.com/docs/ssmcontacts_update_contact/ for full documentation.
ssmcontacts_update_contact(ContactId, DisplayName = NULL, Plan = NULL)
[required] The Amazon Resource Name (ARN) of the contact or escalation plan you're updating.
The full name of the contact or escalation plan.
A list of stages. A contact has an engagement plan with stages for specified contact channels. An escalation plan uses these stages to contact specified contacts.