Xcode Generate docs build phase. From: https://objcsharp.wordpress.com/2013/09/24/how-to-generate-beautiful-apple-style-documentation-in-xcode-5/

[Xcode][Build Phase] Generate Doc

if [ ${CONFIGURATION} == "Release" ]; then
    APPLEDOC_PATH=`which appledoc`
    if [ $APPLEDOC_PATH ]; then
        $APPLEDOC_PATH \
            --project-name ${PRODUCT_NAME} \
            --project-company "<Your Name>" \
            --company-id "<com.yourcompany>" \
            --output ${PRODUCT_NAME}Docs \
            --keep-undocumented-objects \
            --keep-undocumented-members \
            --keep-intermediate-files \
            --no-repeat-first-par \
            --no-warn-invalid-crossref \
            --exit-threshold 2 \
            ${PROJECT_DIR}/${PRODUCT_NAME}
    fi;
fi;