How to set Page wise Restriction in magento 2?

Question

I am making one extension which displays header notification at top of page, I am make one multi select field in system.xml in which user select pages in which he/she want to display Notification. For example if user select HomePage and About us page then notification display in only this two page. How to achieve this?

Answer 1

No need to create Attribute

1. Create Static Block
2. Assign block to widget
3. Set widget positon where it should be display