<default>NULL</default>
<comment>Foreign key to the Campaign.</comment>
<html>
+ <type>EntityRef</type>
<label>Campaign</label>
</html>
<add>3.3</add>
+ <pseudoconstant>
+ <table>civicrm_campaign</table>
+ <keyColumn>id</keyColumn>
+ <labelColumn>title</labelColumn>
+ <prefetch>FALSE</prefetch>
+ </pseudoconstant>
</field>
<foreignKey>
<name>campaign_id</name>