Table of Contents

Wwise SDK 2021.1.1
Wwise Authoring Query Language (WAQL) Reference

Overview

The Wwise Authoring Query Language (WAQL) allows for querying of a Wwise project and its objects. To learn more about the different concepts in WAQL, refer to Using the Wwise Authoring Query Language (WAQL). Queries have one of the following forms:

Synopsis Description

$ SOURCE
$ SOURCE TRANSFORM
$ SOURCE TRANSFORM, TRANSFORM, ...
$ TRANSFORM

SOURCE refers to an object generator, which outputs a sequence of objects. Refer to the table below for more information on the different possible sources.

TRANSFORM refers to a sequence transformation. The transform takes an input sequence and outputs another sequence.

Note: When the source is not specified, all objects defined in the project are implicitly taken as the source.

Reference

Synopsis Description Examples
SOURCE Query Source WAQL query to execute in the IntegrationDemo project

from object OBJECT_SPECIFIER
from object OBJECT_SPECIFIER, OBJECT_SPECIFIER, ...
OBJECT_SPECIFIER
OBJECT_SPECIFIER, OBJECT_SPECIFIER

Generates a sequence of objects from the specified objects.

OBJECT_SPECIFIER refers to one of the following forms:

  • Path: Double-quoted absolute path of the object, starting with a backslash and including the top physical folder.
  • Guid: Double-quoted 128-bit GUID surrounded by curly braces.
  • Qualified unique name: Double-quoted object name, prefixed by the object type. Only possible for object types that enforce a unique name across the project: Event, Bus, Effect, GameParameter, etc...
  • Qualified unique ID: Double-quoted object ID (short ID of 32-bits), prefixed by the object type. Only possible for object types that enforce a unique name across the project: Event, Bus, Effect, GameParameter, etc...

$ from object "\\Actor-Mixer Hierarchy\\Default Work Unit\\Hello"
$ from object "\\Master-Mixer Hierarchy\\Default Work Unit\\Master Audio Bus"
$ from object "{1514A4D8-1DA6-412A-A17E-75CA0C2149F3}"
$ from object "Event:Play_Hello"
$ from object "Event:2952797154"
$ from object "Event:Play_Hello", "Bus:Master Audio Bus"
$ "Event:Play_Hello", "Bus:Master Audio Bus"
$ "\\Actor-Mixer Hierarchy"

from type OBJECT_TYPE
from type OBJECT_TYPE, OBJECT_TYPE, ...

Generates a sequence of objects from the specified types. One or many object types can be specified.

OBJECT_TYPE refers to a Wwise object type. Refer to Wwise Objects Reference for the complete list of object types. The type is case-insensitive.


$ from type Event
$ from type sound
$ from type Sound
$ from type randomSequenceContainer, switchContainer, blendContainer
$ from type bus

from search TEXT

Generates a sequence of objects from the result of a text search on the whole project.

TEXT refers to a double-quoted string of text. Each word specified in the search's text are matched to words inside the project objects.

Note: The results are the same as the Wwise toolbar search.

$ from search "gun"
$ from search "foot walk"

from query QUERY_SPECIFIER

Generates a sequence of objects from the result of executing a Wwise Query defined in the Query Editor.

QUERY_SPECIFIER refers to one of the following forms:

  • Path: Double-quoted absolute path of the object, starting with a backslash and including the top physical folder.
  • Guid: Double-quoted 128-bit GUID surrounded by curly braces.

Note: This generator requires a memory allocation equal to the size of the sequence it generates.

$ from query "\\Queries\\Factory Queries\\Audio Source\\Audio Source - Format = Vorbis"
$ from query "{4D1B2AA5-19D8-44D3-AAE5-94024469CE7C}"

from project Generates a sequence of objects including all objects of the project. $ from project
TRANSFORM Chainable Transformations
select OBJECT_EXPRESSION

Projects each object of the input sequence into a new form.

OBJECT_EXPRESSION refers to an expression that returns zero to many objects. The expression will be executed on each object of the input sequence and will project the result of the expression in a new sequence.

Refer to the expressions section for more information.

$ from object "{1514A4D8-1DA6-412A-A17E-75CA0C2149F3}" select parent
$ from object "Bus:Master Audio Bus" select children
$ from object "\\Actor-Mixer Hierarchy\\Default Work Unit" select descendants, this where @Volume < 0
$ from object "\\Actor-Mixer Hierarchy\\Default Work Unit\\Hello" select @OutputBus
$ from object "{CBCD492C-982D-4EE4-AE75-0019CA6577EF}" select parent.@Attenuation

where BOOLEAN_EXPRESSION

Filters objects of the input sequence by rejecting objects that don't match the specified expression.

BOOLEAN_EXPRESSION refers to an expression that returns true or false. The expression will be executed on each object of the input sequence and will reject the objects with an expression returning false.

Refer to the expressions section for more information.

$ from type Sound where @Volume < 0
$ from type Sound where -1 = @Volume
$ from type Sound where @OutputBus="Bus:Master Audio Bus"
$ from type Sound where @UserAuxSend0="AuxBus:Hangar_Env"
$ from type Event select children where @Target.path : "hello"
$ from type RandomSequenceContainer where childrenCount > 2 and childrenCount <= 4
$ from type Sound where notes : "All"
$ from type Sound where notes : "*audiokinetic*"
$ from type Sound where @UserAuxSend0 != null

skip COUNT

Bypasses a specified number of objects in the input sequence and then returns the remaining objects.

COUNT refers to the number of elements to skip.

$ from type Sound skip 10
take COUNT

Returns a specified number of contiguous objects from the start of the input sequence.

COUNT refers to the number of elements to take.

$ from type Sound take 10

orderby VALUE_EXPRESSION

orderby VALUE_EXPRESSION reverse

Sorts the objects of the input sequence in ascending order and returns them. To sort in descending order, add reverse after the expression.

VALUE_EXPRESSION refers to the expression used to compare objects together in the sort algorithm. The expression must return a comparable value, such as string, numerical, or boolean values.

Note: For the sort to occur, orderby requires a memory allocation equal to the size of the input sequence.

$ from type Sound orderby name
$ from type Sound orderby name reverse
$ from type Bus orderby @BusVolume
$ from type Action orderby @Target.name

distinct

Returns only the distinct objects of the input sequence. Duplicated object entries will be reduced to one entry, resulting in each object being unique in the sequence.

Note: distinct will change the order of the sequence. For this reason, it is preferable to place the orderby statement after the distinct statement.

Note: For the operation to occur, distinct requires a memory allocation equal to the size of the input sequence.

$ from object "\\Actor-Mixer Hierarchy" select descendants select @OutputBus distinct

Expressions

Object Expressions Expression returning zero to many objects

OBJECT_EXPRESSION

OBJECT_EXPRESSION.OBJECT_EXPRESSION...

Chain zero to many object expressions to return a Wwise object. Separate each expression with a dot. $ from object "Event:Play_Hello" select parent.parent
children Returns the direct children of the object. $ from object "\\Actor-Mixer Hierarchy\\Default Work Unit" select children

descendants

Returns all descendants of the object in a single sequence. The descendants include all children recursively.

Note: The current object is not included. To include the current object use: select descendants, this

$ from object "\\Actor-Mixer Hierarchy\\Default Work Unit" select descendants
$ from object "\\Actor-Mixer Hierarchy\\Default Work Unit" select descendants, this

this Returns the current object. $ from object "\\Master-Mixer Hierarchy\\Default Work Unit\\Master Audio Bus" select this, descendants
parent Returns the direct parent of the object. Returns no object if the object does not have a parent.

$ from type Sound select parent
$ from type Sound where parent.name : "*engine"

ancestors

Returns all ancestors of the object in a single sequence. The descendants include all parents recursively.

Note: The current object is not included. To include the current object use: select ancestors, this

$ from object "Event:Play_Hello" select ancestors
$ from object "Event:Play_Hello" select ancestors, this
referencesTo Returns all objects having a reference to the current object.

$ from type Effect select referencesTo
$ "Event:Play_Hello" select referencesTo

REFERENCE_NAME
@REFERENCE_NAME
@@REFERENCE_NAME

Returns the object being referenced by the current object for a specific reference name.

When using @, the reference directly defined on the object is used.

Without the @, the override settings are used to find the reference value. This is the actual value used at playback. If there is an accessor of the same name, it will take precedance; in those rare cases, @@ must be used before the reference name.

REFERENCE_NAME refers to the name of a reference for the current object. Refer to Wwise Objects Reference for the complete list of object types and their references. The name is case-insensitive.

$ from type Sound select OutputBus
$ from type Sound select effect0, effect1, effect2, effect3
$ from type Sound select @@Effect0, @@Effect1, @@Effect2, @@Effect3
$ from type Sound where outputBus="Bus:Master Audio Bus"

owner

Returns the owner of the object. The owner is only set for "Custom" objects defined inside other objects.

Shareset objects don't have an owner. They have a parent (parent), and they have objects referring to them (referencesTo).

For example, the owner of a "Custom" effect is the object that contains the effect as an insert.

$ from type Effect select owner
$ from type Effect where owner.name :"*env"
workunit Returns the Work Unit object used to persist with the current object. $ from type Effect select workunit

musicTransitionRoot

Returns the Music Transition root object associated with the current object.

Note: This only works with objects of type MusicSegment, MusicTrack, MusicPlaylistContainer and MusicSwitchContainer.

$ from project select musicTransitionRoot

musicPlaylistRoot

Returns the Music Playlist root object associated with the current object.

Note: This only works with objects of type MusicPlaylistContainer.

$ from project select musicPlaylistRoot

maxDurationSource

Returns the Audio Source object that has the maximum playback duration (in seconds) for all descendants of the current object.

Note: This only works with Actor-Mixer Hierarchy objects, Interactive-Music Hierarchy Object, and Events.

$ from object "\\Actor-Mixer Hierarchy" select maxDurationSource

maxRadiusAttenuation

Returns the attenuation object that has the maximum radius distance in all descendants of the current objects.

Note: This only works with Actor-Mixer Hierarchy objects, Interactive-Music Hierarchy Object, and Events.

$ from type Sound select maxRadiusAttenuation

audioSourceLanguage

Returns the language object that is used for the current Audio Source.

Note: This only works with Audio Source objects.

$ from type AudioFileSource select audioSourceLanguage

switchContainerChildContext

Returns the Switch Container context object associated with the current Switch Container object. The Switch Container context objects hold settings about the Switch Container associations.

Note: This only works with objects of type SwitchContainer.

$ from project select switchContainerChildContext
Value Expressions Expression returning a number, string or boolean

OBJECT_EXPRESSION.VALUE_EXPRESSION

OBJECT_EXPRESSION.OBJECT_EXPRESSION. VALUE_EXPRESSION

Chain zero to many object expression, followed by a value expression to return a value on the chained object. Separate each expression with a dot. $ where OutputBus.id = "{1514A4D8-1DA6-412A-A17E-75CA0C2149F3}"
id

Returns a 128-bit GUID string of the form: "{0CB93450-E995-40E5-98A5-239F15B1F1D4}".

This is a unique identifier for the object in the project.

$ where id = "{1514A4D8-1DA6-412A-A17E-75CA0C2149F3}"
shortId

Returns a numeric 32-bit short ID for the object. This is the ID being used in the Sound Engine.

Note: The scope over which a short ID is unique depends on the type of object. Certain object types, like busses, events, effects, and game syncs have an ID that is unique across all objects of the same type. Others, like sounds and containers, are unique across the project.

$ where shortId = 1588715066
name Returns the name of the object as a string. $ from type Event where name : "*hello*"
$ where name = "Play_Hello"
notes Returns the notes of the object as a string (also known as comments).

$ where notes : "audiokinetic"

type

Returns the type of the object as a string.

Refer to Wwise Objects Reference for the complete list of object types.

$ where type = "Sound"
classId

Returns the classID of the object. The classID is a numerical value representing the type of object and the type of effect, source or conversion plug-in.

Refer to Wwise Objects Reference for the complete list of classIDs.

$ where classId = 8847363
category

Returns the category of the object.

Possible categories are the top folder names found under the project root folder.

$ where category = "Actor-Mixer Hierarchy"
$ where category = "Interactive Music Hierarchy"
$ where category = "Master-Mixer Hierarchy"
$ where category = "Events"
filePath Returns the file path associated with the Work Unit or project. This is the absolute path of the wwu or wproj file. $ where type = "WorkUnit" and filePath : "*wwu"
path Returns the path of the project inside the Wwise project. This path includes the category, which is the top folder name. $ where path : "microphone"
isPlayable Returns true if the object can be played in the transport, or inside an Event. Returns false otherwise. $ where isPlayable
$ where isPlayable = false
$ where !isPlayable
childrenCount Returns the number of children for the current object. $ where childrenCount > 10
$ where type = "RandomSequenceContainer" and childrenCount > 5

convertedWemFilePath

Returns the absolute path of the converted WEM file associated with the current object.

Note: This only works with objects of type Sound and AudioSource.

$ from type Sound where convertedWemFilePath : "hello"

originalWavFilePath

Returns the absolute path of the original WAV file associated with the current object.

Note: This only works with objects of type Sound and AudioSource.

$ from type Sound where originalWavFilePath : "hello"

soundbankBnkFilePath

Returns the absolute path of the BNK file associated with the current object.

Note: This only works with objects of type SoundBank.

$ where soundbankBnkFilePath : "car"

workunitIsDefault

Returns true if the Work Unit object is the default work unit for its category.

Note: This only works with objects of type WorkUnit.

$ where workunitIsDefault
workunitType

Returns the type of the current Work Unit object. This can be one of the following values:

  • "folder": for Physical folder objects, such as "\\Actor-Mixer Hierarchy".
  • "rootFile": for Work Unit objects that are located inside
  • "nestedFile"

Note: This only works with objects of type WorkUnit.

$ where workunitType = "folder"
$ where workunitType = "rootFile" and !workunitIsDefault

workunitIsDirty

Returns true if the Work Unit has unsaved changes.

Note: This only works with objects of type WorkUnit.

$ where workunitIsDirty
PROPERTY_NAME
@PROPERTY_NAME
@@PROPERTY_NAME

Returns the value of the property for a specific object.

Without the @, the override settings are used to find the reference value. This is the actual value used at playback (i.e. the effective value). If there is an accessor of the same name, it will take precedence; in those rare cases, @@ must be used before the reference name.

When using @, the property directly defined on the object is used, even if it is not overridden.

@@ is the same as no @.

PROPERTY_NAME refers to the name of a property for the current object. Refer to Wwise Objects Reference for the complete list of object types and their references. The name is case-insensitive.

$ from type Sound select OutputBus
$ from type Sound select @OutputBus
$ from type Sound select effect0, effect1, effect2, effect3
$ from type Sound select @@Effect0, @@Effect1, @@Effect2, @@Effect3
$ from type Sound where outputBus="Bus:Master Audio Bus"

Condition Operators Compares two values and returns a boolean
= Compares two values; either string, numerical, or boolean.

$ where name = "Hello"
$ where volume = -1

<
<=
>
>=

Compares two numerical values.

$ where volume < 0
$ where volume > -3 and volume < 0

:

Compares two string values and returns true if a word partially matches, starting with the specified text.

Wildcards can also be used to match the end of a word.

$ where name : "Hello"
$ where name : "Hel"
$ where name : "*ello"

= /REGEX/

Returns true if the specified regular expression matches the current string.

ECMAScript regular expressions are used.

$ where name = /Hello/
$ where name = /llo$/
$ where name = /[a-z][0-9]/