bsw@1339: local field = param.get("field", atom.number)
bsw@1340: local id = param.get_id(atom.string)
bsw@1339: 
bsw@1339: if not string.match(id, "[0-9a-z]") then
bsw@1339:   return
bsw@1339: end
bsw@1339: 
bsw@1341: local field_load_func = config.self_registration.fields[field].load_func
bsw@1339: 
bsw@1339: slot.set_layout(nil, "image/jpeg")
bsw@1339: 
bsw@1339: slot.put_into("data", field_load_func(id))