Messages.format.categoryAxis

<div id="chartwizard"></div>
<script>
$("#chartwizard").kendoChartWizard({
    messages: {
        format: {
            categoryAxis: {
                expandText: "Category Axis",
                collapseText: "Collapse Category Axis"
            }
        }
    }
});
</script>

<div id="chartwizard"></div>
<script>
    $("#chartwizard").kendoChartWizard({
        dataSource: [
        [
            { field: 'Product Name', value: 'Calzone' },
            { field: 'Quantity', value: 1 },
            { field: 'Price', value: 12.39 },
            { field: 'Tax', value: 2.48 },
            { field: 'Total', value: 14.87 }
            ],
        ],
        messages: {
            format: {
                categoryAxis: {
                    expandText: "Custom"
                }
            }   
        }
    });
</script>

<div id="chartwizard"></div>
<script>
$("#chartwizard").kendoChartWizard({
    messages: {
        format: {
            categoryAxis: {
                labels: {
                    text: "Labels Text",
                    color: "Labels Color",
                    font: "Labels Font",
                    rotation: "Labels Rotation"
                }
            }
        }
    }
});
</script>

<div id="chartwizard"></div>
<script>
$("#chartwizard").kendoChartWizard({
    messages: {
        format: {
            categoryAxis: {
                title: {
                    text: "Title Text",
                    color: "Title Color",
                    font: "Title Font"
                }
            }
        }
    }
});
</script>