Filtering list items in SharePoint based on current user and current user groups

Of late, I was working on a list view where I’ve to filter the items based on the current user and the current user groups. Filtering the items by the current user is a straight forward approach where you can select the user field and set the value to [Me]. But there is no provision in the list view filter page where you can filter the items based on the group specified in the field.

But with the help of designer you can manually edit the CAML of the XSLT list viewer webpart in the view page and use the Membership element to filter based on the group. All you have to do is to use CurrentUserGroups as the membership type to show that particular item for the users in that specified group.

<Or>
  <Membership Type=\"CurrentUserGroups\">
    <FieldRef Name=\"AssignedTo\"/>
  </Membership>
  <Eq>
    <FieldRef Name=\"AssignedTo\"></FieldRef>
    <Value Type=\"Integer\">
      <UserID/>
    </Value>
  </Eq>
</Or>

Let’s consider that an item has the filed value as “Kate, John; Approvers”. The item will be shown to the user John kate as well as the members of the group ‘Approvers’. Remember that you have to set the people or group field to allow multiple values as well as selecting objects from SharePoint groups to hold such a value.

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