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Gets an object related to this instance by a foreign key relationship.

Use this for 1:? (one:zero-or-one) or 1:1 relationships, which you can distinguish by setting the nullability of the field representing the foreign key.


API Docs: xPDOObject::getOne()

xPDOObject|null &getOne (
   string $alias,
   [object $criteria = null],
   [boolean|integer $cacheFlag = true]


Echo the email of a modUser with ID 1, which has a related object called modUserProfile, that has a field called "email" - set as "a@bc.com" for this user.

$user = $modx->getObject('modUser',1);
$profile = $user->getOne('Profile');
echo $profile->get('email');
// prints "a@bc.com"

See Also