Create the bootstrap vtlib script in root folder of Vtiger to activate the module entry.

setDebug(true);

$MODULENAME = 'Training'; //Give your module name
$PARENT 	= 'Foundation';  //Give Parent name
$ENTITYNAME = 'trainingno'; //Give Duplicate check field name
$ENTITYLABEL= 'Training No';

$module = Vtiger_Module::getInstance($MODULENAME);
if($module || file_exists('modules/'.$MODULENAME)) {
    echo $MODULENAME." Module already present - choose a different name.";
    exit;
}   
	
// Create module instance and save it first
$module = new Vtiger_Module();
$module->name = $MODULENAME;
$module->parent= $PARENT;
$module->save();
$module->initTables();

$blockTraining = new Vtiger_Block();
$blockTraining->label = 'LBL_'. strtoupper($module->name) . '_INFORMATION';
$module->addBlock($blockTraining);

$blockcf = new Vtiger_Block();
$blockcf->label = 'LBL_CUSTOM_INFORMATION';
$module->addBlock($blockcf);

$field1  = new Vtiger_Field();
$field1->name = $ENTITYNAME;
$field1->label= $ENTITYLABEL;
$field1->uitype= 2;
$field1->column = $field1->name;
$field1->columntype = 'VARCHAR(255)';
$field1->typeofdata = 'V~M';
$field1->iscustom	= 0;
$blockTraining->addField($field1);
$module->setEntityIdentifier($field1); //make primary key for module

/**
	ADD YOUR FIELDS HERE
**/

$field2 = new Vtiger_Field();
$field2->name = 'start_date';
$field2->label = 'Start Date';
$field2->table = $module->basetable;
$field2->column = 'start_date';
$field2->columntype = 'DATE';
$field2->uitype = 5;
$field2->typeofdata = 'D~M'; // date~Mandatory
$field2->iscustom	= 0;
$blockTraining->addField($field2); /** table and column are automatically set */

$field25 = new Vtiger_Field();
$field25->name = 'trainingname';
$field25->label = 'Training Name';
$field25->table = $module->basetable;
$field25->column = 'trainingname';
$field25->columntype = 'VARCHAR(255)';
$field25->uitype = 2;
$field25->typeofdata = 'V~M'; // date~Mandatory
$field25->iscustom	= 0;
$blockTraining->addField($field25); /** table and column are automatically set */

$field3 = new Vtiger_Field();
$field3->name   =  'location';
$field3->label  = 'Location';
$field3->table  =  $module->basetable;
$field3->column = 'location';
$field3->columntype = 'VARCHAR(255)';
$field3->uitype	= 2;
$field3->typeofdata = 'V~O'; // varchar~Mandatory
$field3->iscustom	= 0;
$blockTraining->addField($field3); /** table, column, label, set to default values */

/** Common fields that should be in every module,
 	linked to vtiger CRM core table
*/
$field4 = new Vtiger_Field();
$field4->name = 'end_date';
$field4->label = 'End Date';
$field4->table = $module->basetable;
$field4->column = 'end_date';
$field4->columntype = 'DATE';
$field4->uitype = 5;
$field4->typeofdata = 'D~M'; // date~Mandatory
$field4->iscustom	= 0;
$blockTraining->addField($field4);

$field5 = new Vtiger_Field();
$field5->name = 'instructor';
$field5->label= 'Instructor';
$field5->table = $module->basetable;
$field5->column = 'instructor';
$field5->uitype = 2;
$field5->typeofdata = 'V~O';	
$field5->iscustom	= 0;
$blockTraining->addField($field5);


$field6 = new Vtiger_Field();
$field6->name = 'trainingstatus';
$field6->label= 'Status';
$field6->table = $module->basetable;
$field6->column = 'trainingstatus';
$field6->uitype = 15;
$field6->typeofdata = 'V~O';
$field6->iscustom	= 0;
$field6->setPicklistValues( Array ('Planned', 'Active', 'Held', 'Cancelled'));
$blockTraining->addField($field6);

/** Create required fields and add to the block */
$field7 = new Vtiger_Field();
$field7->name = 'description';
$field7->label = 'Description';
$field7->table = $module->basetable;
$field7->column = 'description';
$field7->columntype = 'VARCHAR(500)';
$field7->uitype = 19;
$field7->typeofdata = 'V~O';
$field7->iscustom	= 0;
$blockcf->addField($field7); /** Creates the field and adds to block */

/** Create required fields and add to the block */
$field8 = new Vtiger_Field();
$field8->name = 'trainingtype';
$field8->label = 'Training Type';
$field8->table = $module->basetable;
$field8->column = 'trainingtype';	
$field8->uitype = 15;
$field8->typeofdata = 'V~O';
$field8->setPicklistValues( Array ('JPJ Training', 'Local Training', 'International training'));
$field8->iscustom	= 0;
$blockTraining->addField($field8); /** Creates the field and adds to block */

/** Create required fields and add to the block */
$field81 = new Vtiger_Field();
$field81->name = 'modeoftraining';
$field81->label = 'Mode of Training';
$field81->table = $module->basetable;
$field81->column = 'modeoftraining';	
$field81->uitype = 15;
$field81->typeofdata = 'V~O';
$field81->setPicklistValues( Array ('Live Classes', 'Individual Classes'));
$field81->iscustom	= 0;
$blockTraining->addField($field81); /** Creates the field and adds to block */

/** Common fields that should be in every module, linked to vtiger CRM core table */
$field9 = new Vtiger_Field();
$field9->name = 'assigned_user_id';
$field9->label = 'Assigned To';
$field9->table = 'vtiger_crmentity';
$field9->column = 'smownerid';
$field9->uitype = 53;
$field9->typeofdata = 'V~M';
$field9->iscustom	= 0;
$blockTraining->addField($field9);

$field10 = new Vtiger_Field();
$field10->name = 'createdtime';
$field10->label= 'Created Time';
$field10->table = 'vtiger_crmentity';
$field10->column = 'createdtime';
$field10->uitype = 70;
$field10->typeofdata = 'T~O';
$field10->displaytype= 2;
$field10->iscustom	= 0;
$blockTraining->addField($field10);

$field11 = new Vtiger_Field();
$field11->name = 'modifiedtime';
$field11->label= 'Modified Time';
$field11->table = 'vtiger_crmentity';
$field11->column = 'modifiedtime';
$field11->uitype = 70;
$field11->typeofdata = 'T~O';
$field11->displaytype= 2;
$field11->iscustom	= 0;
$blockTraining->addField($field11);


// Create default custom filter (mandatory)
$filter1 = new Vtiger_Filter();
$filter1->name = 'All';
$filter1->isdefault = true;
$module->addFilter($filter1);
// Add fields to the filter created
$filter1->addField($field1)->addField($field2, 1)->addField($field3, 2);

// Set sharing access of this module
$module->setDefaultSharing();

// Enable and Disable available tools
$module->enableTools(Array('Import', 'Export', 'Merge'));

// Initialize Webservice support
$module->initWebservice();

// Create files
createFiles($module, $field1);

// Link to menu
Settings_MenuEditor_Module_Model::addModuleToApp($module->name, $module->parent);

echo "Module is created";


function createFiles(Vtiger_Module $module, Vtiger_Field $entityField) {
	$targetpath = 'modules/' . $module->name;
	if (!is_file($targetpath)) {
		mkdir($targetpath);
		mkdir($targetpath . '/language');
		$templatepath = 'vtlib/ModuleDir/6.0.0';
		$moduleFileContents = file_get_contents($templatepath . '/ModuleName.php');
		$replacevars = array(
			'ModuleName'   => $module->name,
			'' => strtolower($module->name),
			'' => $entityField->label,
			'' => $entityField->column,
			'' => $entityField->name,
		);

		foreach ($replacevars as $key => $value) {
			$moduleFileContents = str_replace($key, $value, $moduleFileContents);
		}
		file_put_contents($targetpath.'/'.$module->name.'.php', $moduleFileContents);
	}
}

?>