Caml query to check current logged in user - SharePoint designer

Hi,

I need to create a caml query in SharePoint designer to satisfy the below conditions.

1. If the logged in user (current user) is a member of a specific group. e.g. Group Name = ISS Owners, ID=5

(OR)

1. If the logged in user (current user) exists in assigned to field. e.g. Field Name = Assigned To

Reference to the below link is not working for my solutions.

Membership Element (Query)

CAML Query – Membership attribute

Kindly help in resolving caml query issue.

Anandhan.S Remember to 'mark or propose as answer' or 'vote as helpful' as appropriate.