How to set working directory for application called from bash script?

I am writing a bash script to execute an application. But, the application needs files stored in a particular directory. If I use systemd then I can use WorkingDirectory setting to define on which directory the service will be launched. But I am not sure how this can be done within bash script. Can anyone please let me know how to achieve this?

#!/bin/bash

SERVICE="test"

if pgrep -x "$SERVICE" >/dev/null
    then
        echo "$SERVICE is running"
    else
        echo "starting $SERVICE"
        # The application "test" uses files stored in dir /home/example/ 
        /usr/bin/test
        exit 0
fi

Is doing cd /home/example/ before executing the application enough?