how to block the user board wise in one project

[Ashwin]

HI, I Created A, B, C, D, E TOTALLY 5 Boards in one project I want to restrict the user, For example, A user Can view only A board only, B board user see only B board only  Can Possible in JIRA?

[Alexey Matveev]

Hello,

You grant the view permission for a board to users by sharing the filter defined for the board (board settings -> general). Define a different filter for each board and share these filters with required users.

[Ashwin]

Hi 

Can u explain Briefly  Please 

[Alexey Matveev]

1. Create four filters:

https://confluence.atlassian.com/jiracorecloud/saving-your-search-as-a-filter-765593721.html

2. Assign these filter to the four boards (board settings -> general):

https://confluence.atlassian.com/jirasoftwarecloud/configuring-a-board-764477974.html

3. Share each filter with a certain group or a role, where the users are:

https://confluence.atlassian.com/jiracoreserver073/saving-your-search-as-a-filter-861257224.html

Go to the sharing  a filter part.