# Record and Play Tool ## Prerequisite Run the following command from your Apollo root dir: ```bash bash apollo.sh build source scripts/apollo_base.sh ``` ## Recorder This tool records trajectory information from gateway into a csv file, the file name is defined in filename_path. ## Player This tool reads information from a csv file and publishes planning trajectory in the same format as real planning node. Default enable recorder and play under `/apollo` utilizing: ```bash bash scripts/rtk_recorder.sh ``` and ```bash bash scripts/rtk_player.sh ``` Or using button on Dreamview