#include QMK_KEYBOARD_H enum layers { _BASE = 0, }; enum { TD_BC = 0 }; qk_tap_dance_action_t tap_dance_actions[] = { [TD_BC] = ACTION_TAP_DANCE_DOUBLE(KC_B, KC_C) }; const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { [_BASE] = LAYOUT( KC_A, TD(TD_BC) ) };