Hi Stephane,
Sorry if I am not clear on my request.
Just have to decode the URL format. like below
a%3Bdx1Rx3Tjip9bozPu5UiZUUz0vWMdLqYD3YJSWa%2BMAP3BMqjY9NbkMUR46F%2BC1yhbsO2VSiaEB%2BRHE2ItowKvrUKnGfa7ZVhYr1PSKOCudUjzghPlhyGxS0WxoolX4Phjy3yqXDB4GPUzL9JpmETJpQ2En0%2BOHMRMHkN%2FcsO98zM%3D0TybtzXGP%2B%2Fp9fL77nIw%2BjH9mNC
to
a;dx1Rx3Tjip9bozPu5UiZUUz0vWMdLqYD3YJSWa+MAP3BMqjY9NbkMUR46F+C1yhbsO2VSiaEB+RHE2ItowKvrUKnGfa7ZVhYr1PSKOCudUjzghPlhyGxS0WxoolX4Phjy3yqXDB4GPUzL9JpmETJpQ2En0+OHMRMHkN/csO98zM=0TybtzXGP+/p9fL77nIw+jH9mNC
I used https://www.urldecoder.org/ to convert.
So, checking if we have any function or code available in Gatling.
Thanks & Regards,
Srinivas M