AppPermissionRequests.xml

<AppPermissionRequests AllowAppOnlyPolicy="true">
     <AppPermissionRequest Scope="http://sharepoint/content/sitecollection" Right="FullControl" />
     <AppPermissionRequest Scope="http://sharepoint/search" Right="QueryAsUserIgnoreAppPrincipal"/>
     <AppPermissionRequest Scope="http://sharepoint/social/tenant" Right="FullControl" />
     <AppPermissionRequest Scope="http://sharepoint/taxonomy" Right="FullControl" />
</AppPermissionRequests>