Help with Wix Forms and Zoho Campaigns integration

Can anyone help me with this as I am unable to generate the api access token a video tutorial will be appreciated or some can help me. Here are the steps: Zoho Integration

i want that my wix forms should send the collected email id to zoho campaigns. if anyone can help me please i need it as soon as possible and I am a noob in this.

The site is for non profit organization so this help would be a blessing for us.