[Vtigercrm-developers] VTiger Extension Module create custom field for Accounts Module

[Lennart van Ballegoij]

I'm working on a VTiger 6.4.0 Extension Module that is used to get company
data when entering a company name in the Accounts module.

The module is almost finished, i retrieve data from a API and enter them in
the input fields using JQuery.

But the problem is that i have some data that is not relative to the
existing fields in the account information, so i'm trying to create some
new custom fields.

Only i can't seem to figure out how to create a custom field for the
Accounts module from within my module.

I googled around and watched some posts on stackoverflow.

I came up with the following part of code, but this doesn't seem to work.

public function addKvkfield(){

    $module = new Vtiger_Module();
    $module->name = 'Accounts';
    $module = $module->getInstance('Accounts');

    $blockInstance = new Vtiger_Block();
    $blockInstance->label = 'LBL_ACCOUNT_INFORMATION';
    $blockInstance = $blockInstance->getInstance($blockInstance->label,$module);

    $fieldInstance = new Vtiger_Field();
    $fieldInstance->name = 'KvKNummer';
    $fieldInstance->table = $module->basetable;
    $fieldInstance->column = 'kvknummer';
    $fieldInstance->columntype = 'VARCHAR(100)';
    $fieldInstance->uitype = 2;
    $fieldInstance->typeofdata = 'V~M';
    $blockInstance->addField($fieldInstance);
}

The addKvkfield function is being called in the vtlib_handler
module.postinstall (Couldn't find any information if this is the right way
of doing this within a Module)

vtlibhandler:

function vtlib_handler($modulename, $event_type) {
    global $log;
    if($event_type == 'module.postinstall') {
        $this->addJSLinks();
        $this->createConfigTable();
        $this->addSettingsMenu();
        $this->addKvkfield();
        $this->updateLabels();

        // TODO Handle post installation actions
    } else if($event_type == 'module.disabled') {
        // TODO Handle actions when this module is disabled.
    } else if($event_type == 'module.enabled') {
        // TODO Handle actions when this module is enabled.
    } else if($event_type == 'module.preuninstall') {
        // TODO Handle actions when this module is about to be deleted.
    } else if($event_type == 'module.preupdate') {
        // TODO Handle actions before this module is updated.
    } else if($event_type == 'module.postupdate') {
        $this->updateLabels();
        // TODO Handle actions after this module is updated.
    }
}

Hopefully someone can give me a push in the right direction.

Thanks in advance :)
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