human
I wrote the below code

    T = current.T
    settings.base.system_name = T('Beneficiary    Data    Management')
    settings.base.prepopulate += ('STL', 'default/users', 'STL/Demo')
    settings.base.theme = 'STL'
    settings.security.self_registration = False
    settings.auth.registration_requests_organisation = True
    settings.auth.person_realm_human_resource_site_then_org = True
    settings.auth.admin_sees_organisation = True
    settings.auth.registration_organisation_default = 'Support    To    Life'
    settings.auth.registration_link_user_to = ['staff']
    settings.auth.registration_link_user_to_default = 'staff'
    settings.security.policy = 7
    def stl_realm_entity(table, row):
        '\n                                                Assign    a    Realm    Entity    to    records\n                                '
        db = current.db
        s3db = current.s3db
        tablename = (table._ot or table._tablename)
        realm_entity = 0
        if (tablename == 'pr_person'):
            ctable = s3db.dvr_case
            query = ((ctable.person_id == row.id) & (ctable.deleted == False))
            case = db(query).select(ctable.organisation_id, limitby=(0, 1)).first()
            if (case and case.organisation_id):
                realm_entity = s3db.pr_get_pe_id('org_organisation', case.organisation_id)
        elif (tablename in ('pr_person_details', 'dvr_case_activity', 'dvr_case_details', 'dvr_economy', 'dvr_evaluation', 'dvr_household')):
            table = s3db.table(tablename)
            ptable = s3db.pr_person
            query = ((table._id == row.id) & (ptable.id == table.person_id))
            person = db(query).select(ptable.realm_entity, limitby=(0, 1)).first()
            if person:
                realm_entity = person.realm_entity
        elif (tablename in ('pr_address', 'pr_contact', 'pr_contact_emergency')):
            table = s3db.table(tablename)
            ptable = s3db.pr_person
            query = ((table._id == row.id) & (ptable.pe_id == table.pe_id))
            person =...

What's a good function header?
 ... Here's a good function header?
assistant
#Here's a good function header.

def config(settings):