Am success from nigeria,i want to do my visa...

If your inquiry is related to changing the visa, here is the following information:
If you mean that you want to change the visa from a visit to a work, in that case, you must first obtain an employment contract.
After that, the sponsor reviews the General Administration of Residency in order to convert the visit visa to work.
With the submission of several documents, including:
job contract
The worker's passport.
Company documents.
The passport of the employer.
The General Administration of Residence will examine the application and issue a decision to accept or reject it.
As for the possibility of accepting or rejecting the visa transfer request for some nationalities, we recommend that you contact the General Administration of Residence through its official website.
 By clicking on the following link:
the General Administration of Residence