menuconfig KCONFIG_EXTERNAL_MODULE_1
    bool "Configure external module message 1"
    default y
    help
        This will enable configuring the external module message

if KCONFIG_EXTERNAL_MODULE_1

config EXTERNAL_MODULE_1_MESSAGE
    string "External module 1 text"
    default "External Message 1 defined in Kconfig file"

endif # KCONFIG_EXTERNAL_MODULE_1