Adds a contact to a customer's tenant.
The Add-CIPPContact function adds a contact to a customer's tenant using the CIPP API. It requires the customer's tenant ID, display name, external email address, first name, and last name as mandatory parameters.
The ID of the customer's tenant.
The display name of the contact.
The external email address of the contact.
The first name of the contact.
The last name of the contact.
PS > Add-CIPPContact -CustomerTenantID "7ced1621-b8f7-4231-868c-bc6b1a2f1778" -DisplayName "John Doe" -ExternalEmailAddress "john.doe@example.com" -FirstName "John" -LastName "Doe"