anchor.diff:      return this;
     }
   
  -  //Mail
  -
  -  /**
  +  /**
  +  * Mail Send
  +  * https://sendgrid.com/docs/API_Reference/Web_API_v3/Mail/index.html
  +  */
  +
  +  /**
  +  * @hint Send email, using SendGrid's REST API
     * @mail must be an instance of the helpers.mail component
     */
     public struct function sendMail( required component mail ) {
  
positive.code: 
    /**
    * Contacts API - Custom Fields
    * https://sendgrid.api-docs.io/v3.0/contacts-api-custom-fields/create-a-custom-field
    */
  
    /**
  
negative.code: 
    /**
    * Campaigns API
    * https://sendgrid.com/docs/API_Reference/Web_API_v3/Marketing_Campaigns/campaigns.html
    */
  
    /**
  