# chartZAxis(content:) Configures the z-axis for 3D charts in the view. ``` nonisolated func chartZAxis(@AxisContentBuilder content: () -> Content) -> some View where Content : AxisContent ``` ## Parameters `content` The axis content. ## Discussion Use this modifier to customize the z-axis of a chart. Provide an `AxisMarks` builder that composes `AxisGridLine`, `AxisTick`, and `AxisValueLabel` structures to form the axis. Omit components from the builder to omit them from the resulting axis. For example, the following code adds grid lines to the z-axis: ``` .chartZAxis { AxisMarks { AxisGridLine() } } ``` Use arguments such as `position:` or `values:` to control the placement of the axis values it displays. > Note: To add an axis label, use one of the label modifiers, like > . --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)