I am lost in concrete5

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I have created two user role: member and manger, manger's role is assign members into different categories which members are allowed to view.

For example: manager assign member A to food category, only the food category will be displayed in his page when user A login. And there will be empty page displayed in member A's page before assign any categories to him

I tried use admin to give manger permission, so that he can set content block permission to particular member, the result looking similar, but it is not automated displayed in content block when manager assigned member.

I want to use form block as master table to make content block permission true or false to the user. How shall I change the code?

Thanks for helping