Add HTTP Status field

    # captures the user's username for logging purposes.

    GL_USER_NAME = "gl_user_name"

    # HTTPStatusCode - an integer field that

    # captures the HTTP status code of requests for logging purposes.

    HTTP_STATUS_CODE = "status"

    # New fields being added to this section should have

    # the appropriate doc comments added above. These

    # should clearly indicate what the intended use of the

      MAPPINGS = {

        Fields::GL_USER_ID => %w[user_id userid],

        Fields::HTTP_STATUS_CODE => %w[status_code extra.status status_text]

      }.freeze

      class << self