Re: Model function error

This is the function call:

$this -> InvoiceLine -> saveValue($invoiceId, $key, $value);

This is the MODEL:

<?php
class InvoiceLine extends AppModel
{
var $name = 'InvoiceLine';
var $primaryKey = 'invoice_line_id';
var $belongsTo = array
(
'Invoice' => array
(
'className' => 'Invoice',
'foreignKey' => 'invoice_id'
)
);

public function saveValue($invoiceId, $key, $value)
{
$data = array
(
'Invoice' => array
(
'invoice_id' => $invoiceId,
$key => $value
)
);
return $this -> save($data);
}
}

For other models this work fine, only this model gives me problems.

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