Method setSendAt

packages/helpers/classes/mail.js:152–156

* Set send at

(sendAt)

   * Set send at
   */
  setSendAt(sendAt) {
    if (this._checkProperty('sendAt', sendAt, [this._checkUndefined, this._createCheckThatThrows(Number.isInteger, 'Integer expected for `sendAt`')])) {
      this.sendAt = sendAt;
    }
  }

  /**
   * Set template ID, also checks if the template is dynamic or legacy