JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. AxisTitle.AppendCustomFunctionSurfaceSymbol Syntax Parameters Return Value Sub AxisTitle.AppendCustomFunctionSurfaceSymbol( _ no As Integer, _ functno As Integer) no [in] Type: Integer functno [in] Type: Integer This function does not return a value. Copyright © 2020. TIBCO Software Inc. All Rights Reserved.