Waveshare ESP32 driver board miso pin?

[z7cxx]

Hi, I want to use an SD card reader and display the files on an epaper display.

this is the esp32 model https://www.waveshare.com/wiki/E-Paper_ESP32_Driver_Board

but I can't figure out where the miso pin is

[ruilviana]

Ref. Schematic:

E-Paper_ESP32_Driver_Board_Schematic.pdf

Pinout ref:

Universal e-Paper Driver Board with WiFi / Bluetooth SoC ESP32 onboard,...