[ Version ( since = "3.44" ) ]
public bool contains_email (string email_address, Cancellable? cancellable = null) throws Error
Checks whether contains an email_address.
When the email_address contains multiple addresses, then returns true when at least one
address exists in the address book.
If an error occurs, the function will set throws and return false.
| this | |
| email_address |
an email address |
| cancellable |
optional Cancellable object, or null |
|
true when found the |