I am uploading image/file using retrofit
here I am posting My API call to upload image
baseurl/index.php?request={"img_req":{"key":"gflkgjdfkgjdkl","c":"property","a":"pr_image_upload","job_id":"cc65643bfa7f27ca1530281112278_images","parameters":{"property_id":abcded,"auth_key":"kgdfklgjdklfgjk"}}}
Please help me how to write interface for this call, I have tried with @part and @PartMap but does not work