When I was on probation period, is I have right to...

If your inquiry is about the employer refusing to pay your salary, find the following information:
The worker can file a complaint against the employer if the employer refuses to pay his/her salary.
The worker also has the right to file a complaint at the Ministry of Human Resources and Emiratisation.
The worker can claim the full salary as long as he performs the work during the period of Corona disease.
The worker cannot deduct any part of the work salary except after obtaining the approval of the Ministry of Human Resources and Emiratisation.
Finally, find the UAE labor law, in regards of your inquiry:
Article (58)
It is not permitted to prove the fulfillment of workers with the wages due to them, regardless of its value or form, except by writing and acknowledgement or undertake.
Any agreement contrary to this, even if it was prior to the implementation of this law, shall be considered null and void