Criteria

Criteria class

Message matching criteria.

The Criteria type exposes the following members:

Name	Description
Criteria()	Initializes a new instance of the Criteria class

Name	Description
from_address	The sender’s display name or email address.
to	The recipient’s display name or email address. Includes recipients in the “to”, “cc”, and “bcc” header fields. You can use simply the local part of the email address. For example, “example” and “example@” both match “example@gmail.com”. This field is case-insensitive.
subject	Case-insensitive phrase found in the message’s subject. Trailing and leading whitespace are be trimmed and adjacent spaces are collapsed.
query	Only return messages matching the specified query.Supports the same query format as the Gmail search box. For example, “from:someuser@example.com rfc822msgid:somemsgid@example.com is:unread”.
negated_query	Only return messages not matching the specified query. Supports the same query format as the Gmail search box. For example, “from:someuser@example.com rfc822msgid:somemsgid@example.com is:unread”.
has_attachment	Whether the message has any attachment.
exclude_chats	Whether the response should exclude chats.
size	The size of the entire RFC822 message in bytes, including all headers and attachments.
size_comparison	How the message size in bytes should be in relation to the size field.