how to set up connect parameter?

[Blue_Bob]

when i use pc tools or APP except "nRF Connect" to connect my 51822,i can not find some parameter,so i want to know in example "ble_app_uart",how to set up connect parameter just as connection handle、characteristic handle and so on?

[bjorn-spockeli]

Could you explain a it more in detail what you want to achieve? Do you want to read out the connection and attribute handles?