Submit array from Fluid-Template to Controller with f:form viewhelper - typo3

Question

I am currently writing an Extbase Extension with a backend module. I have assigned an array to the template of my backend module. Now I am trying to submit that array back to my crontroller action "pageGenerator" with inputs of the form in the template.
Here is the code from my controller and template:
Controller:
public function listAction()
{
$array = [
'1' => '',
'2' => '',
'3' => ''
];
$this->view->assign('array', $array);
$this->view->setTemplatePathAndFilename('EXT:bm_test/Resources/Private/Templates/template.html');
}
public function pageGeneratorAction(array $array=null){}
Fluid-Template:
<div align="center">
<f:form method="post" controller="DomainModel" action="pageGenerator"
name="array" object="{array}" >
<input type="text" name="array[1]">
<input type="text" name="array[2]">
<input type="text" name="array[3]">
<f:form.submit value="Submit" />
</f:form>
</div>
The problem is that the array is null no matter what I type into the textfields.When i remove the "=null" from the pageGenerator action i get the following Error:
Too few arguments to function Bmt\BmTest\Controller\DomainModelController::pageGeneratorAction(), 0 passed and exactly 1 expected
So it seems like that the array isn't submitted.
Does anyone know what am I doing wrong here? Thanks in advance for your help.

Answer 1

have you tried to insert the assign variable after setTemplatePathAndFilename ?
Becouse in typo3 if the template haven't the same name of the Action you need first inizialize them and after return the view with assigned variable
example
$this->view->setTemplatePathAndFilename('EXT:bm_test/Resources/Private/Templates/template.html');
$this->view->assign('array', $array);
return $this->view->render();