gitlab-org--gitlab-foss/app/assets/javascripts/sidebar/queries/epic_todo.query.graphql

query epicTodos($fullPath: ID!, $iid: ID) {
  workspace: group(fullPath: $fullPath) {
    __typename
    issuable: epic(iid: $iid) {
      __typename
      id
      currentUserTodos(state: pending) {
        nodes {
          id
        }
      }
    }
  }
}