Single Gen Preset

Preset Data Render
preset = [{
    id: 1
    title : 'present1',
    data: [{
        course_slug: 'toeic',
        sales_amount: 1000,
        days_limit: 50,
        promotion_code: 'code1234',
    },
    {
        course_slug: 'toeic_krudew',
        sales_amount: 3000,
        days_limit: 60,
        promotion_code: 'code1234',
    }]
}]

Preset Data Create/Update API
preset = [{
    title : 'present1',
    data: [{
        course_slug: 'toeic',
        sales_amount: 1000,
        days_limit: 50,
        promotion_code: 'code1234',
    },
    {
        course_slug: 'toeic_krudew',
        sales_amount: 3000,
        days_limit: 60,
        promotion_code: 'code1234',
    }]
}]