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API > API/Runtime > API/Runtime/AudioExtensions > API/Runtime/AudioExtensions/FParameterInterface
Read-only variable that cannot be modified by the sound instance, and maybe shared amongst instances.
| Name | FEnvironmentVariable |
| Type | struct |
| Header File | /Engine/Source/Runtime/AudioExtensions/Public/IAudioParameterInterfaceRegistry.h |
| Include Path | #include "IAudioParameterInterfaceRegistry.h" |
Syntax
struct FEnvironmentVariable
Variables
Public
| Name | Type | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|---|
| DataType | const FName | FName describing the type of the data. | IAudioParameterInterfaceRegistry.h | |
| Description | const FText | Description to be displayed in editor or tools. | IAudioParameterInterfaceRegistry.h | |
| DisplayName | const FText | Name to be displayed in editor or tools. | IAudioParameterInterfaceRegistry.h | |
| ParamName | const FName | Name of variable used as a runtime identifier. | IAudioParameterInterfaceRegistry.h | |
| ParamType | const EAudioParameterType | Type of variable used as a runtime identifier if unspecified by the DataType. | IAudioParameterInterfaceRegistry.h |