set Custom User Attribute To Now
Sets a custom attribute with the given key to the current time. The key parameter is limited to 255 characters in length and can only contain alphanumeric characters and underscores. Keys which are too long will be truncated. Keys may not be a reserved key. See CustomAttributeValidationUtils.isValidCustomAttributeKey
Return
whether or not the custom user attribute was set correctly
Parameters
key
The identifier of the custom attribute