# 7.6.19.1.20. User_Field

Syntax

  User Expression [{of} SpeciesName | {in} MaterialPhaseName | {ls} {a | b | c}] = User_Field [User_Tag = user_tag | Name = name | Scaling = scaling | Global_Var = global_var | Time_Function = time_function | Equations = Equations…]

Scope

  Aria Material

Summary

  User field user expression

Description

  Provides an expression with the name given by the user_tag parameter using the provided user field. The provided user tag should not include operator, subindex, phase, component, or material phase prefixes or suffixes. See General Naming Convention for more detail about those.

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
{in} | {in | material_phase} | –
MaterialPhaseName | string | –
{ls} | {levelset_phase | ls} | –
user_tag | “string” | –
name | “string” | –
scaling | real | 1
global_var | “string” | –
time_function | “string” | –
Equations | string… | –