$succeeded

Description: Returns true if the Connector succeeded.

{"domain_from_email": "$succeeded"}

$failed

Description: Returns true if the Connector failed.

{"domain_from_email": "$failed"}

$isMatch

Description: Returns true if the Connector succeeded, and has an is_hit attribute containing the true value.

{"domain_from_email": "$isMatch"}

$noMatch

Description: Returns true if the Connector failed, or has succeeded but doesn't have an is_hit attribute which contained the true value.

{"domain_from_email": "$noMatch"}