1 true Transactional Emails To optimize logo for high-resolution displays, upload an image that is 3x normal size and then specify 1x dimensions in the width/height fields below. Logo Image imageUploader jpg jpeg gif png 2097152 theme/design_config_fileUploader/save true text Logo Image Alt email_logo_alt Necessary only if an image has been uploaded above. Enter number of pixels, without appending "px". true number Logo Width email_logo_width Necessary only if an image has been uploaded above. Enter image height size in pixels without appending "px". true number Logo Height email_logo_height Email template chosen based on theme fallback, when the "Default" option is selected. text Header Template email_header_template Email template chosen based on theme fallback, when the "Default" option is selected. text Footer Template email_footer_template