public function connectToField(string $connectToField) : self
    {
        $this->connectToField = $this->convertTargetFieldName($connectToField);
        return $this;
    }
public function connectToField(string $connectToField) : self
    {
        $this->connectToField = $this->convertTargetFieldName($connectToField);
        return $this;
    }
public function connectToField ( string $ connectToField ) : self { $ this -> connectToField = $ this -> convertTargetFieldName ( $ connectToField ) ; return $ this ; }
Field name in other documents against which to match the value of the
field specified by the connectFromField parameter.
Field name in other documents against which to match the value of the field specified by the connectFromField parameter .