<input class="searchType" type="checkbox" name="SharingNotification" id={{ taskExecution.id }}>
        <label class="searchtype2label">{{ taskExecution.id }}</label>
    </input>


$('.searchType').click(function(event) {
    if(this.checked){
        $.ajax({
            type: "POST",
            url: '/app_dev.php/api/customer/customers',
            data: $(this).attr('id'),
            success: function(data) {
                alert('it worked');
                alert(data);
                $('#container').html(data);
            },
            error: function() {
                alert('it broke');
            },
            complete: function() {
                alert('it completed');
            }
        });

    }
});

request = {SymfonyComponentHttpFoundationParameterBag} [1]
 parameters = {array} [1]
  1 = ""

data: {id: $(this).attr('id')},