$(function () {

	var file_data = $('#upload-file-' + i).prop("files")[0]; // Getting the properties of file from file field
	var urlToPost = 'path/of/your/route';
	var form_data = new FormData(); // Creating object of FormData class

	form_data.append("file_data", file_data); // Appending parameter named file with properties of file_field to form_data
	form_data.append("prestationId", prestationId); // Appending parameter named file with properties of file_field to form_data
	form_data.append("prestationQuantite", prestationQuantite); // Appending parameter named file with properties of file_field to form_data
	form_data.append("hasOption1", hasOption1); // Appending parameter named file with properties of file_field to form_data
	form_data.append("hasOption2", hasOption2); // Appending parameter named file with properties of file_field to form_data
	// form_data.append("user_id", 123) // Adding extra parameters to form_data

	$.ajax({
		url: urlToPost, // Upload Script
		dataType: 'script',
		cache: false,
		async: false,
		contentType: false, // Important
		processData: false, // Important
		data: form_data, // Setting the data attribute of ajax with file_data
		type: 'post',
		success: function(data) {
			// Do something after Ajax completes
		}
	});
	// if your have a illega message you have to hade this
	// contentType: false, // Important
	// processData: false, // Important
});