# 7.6.18.10.3. User_Function

Syntax

  Tensor Species Mobility [{of} SpeciesName] = User_Function (Name_Xx = name_xx | [Name_Yy = name_yy] | [Name_Zz = name_zz] | X = x)

Scope

  Aria Material

Summary

  Tensor values for the species mobility from a user function

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
name_xx | “string” | –
name_yy | “string” | –
name_zz | “string” | –
x | “string” | –