Magento 2 is an adaptable and include rich stage that is reasonable for an E-trade business. In any case, the default functionalities might miss the mark, attributable to the fluctuated business necessities in the huge extent of E-trade.
In such cases, coordination with outsiders are required, augmentations are utilized, and so forth to offer the highlights ailing in the default Magento 2. What's more, in doing as such, the administrator board requires specific changes.
For instance, in the event that you are utilizing an outsider module to execute a component or show a few information in a different item tab, you'd expect to add custom tab with custom template for Magento 2.2 in product edit page!
For more info ,visit: https://meetanshi.com/blog/add-custom-tab-with-custom-template-on-magento-2-2-product-edit-page/