Learn more about Stateflow

Rules for Naming Stateflow Objects

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Characters You Can Use Restriction on Name Length Reserved Keywords

Characters You Can Use

You can name Stateflow objects with any combination of alphanumeric and underscore characters. Names cannot begin with a numeric character or contain embedded spaces.

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Restriction on Name Length

Name length should comply with the maximum identifier length enforced by Real-Time Workshop^® code generation software. You can set this parameter in the Real-Time Workshop > Symbols pane of the Configuration Parameters dialog box. The default is 31 characters and the maximum length you can specify is 256 characters.

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Reserved Keywords

You cannot use the following keywords to name Stateflow objects. These keywords are part of the Stateflow action language (see Using Actions in Stateflow Charts for details).

Usage in Action Language	Keywords	References
Change detection	hasChanged, hasChangedFrom, hasChangedTo	Using Change Detection in Actions
Complex data	complex, imag, real	Using Operators to Handle Complex Numbers
Data types	boolean, double, int8, int16, int32, single, uint8, uint16, uint32	Setting Data Properties in the Data Dialog Box
Data type operations	cast, fixdt, type	Type Cast Operations
Explicit events	send	Broadcasting Events in Actions
Implicit events	change, chg, tick, wakeup	Using Implicit Events
Literal symbols	false, inf, true, t	Symbols in Action Language
MATLAB functions and data	matlab, ml	ml Namespace Operator
State actions	bind, du, during, en, entry, ex, exit, on	Defining Action Types
State activity	in	Checking State Activity
Temporal logic	after, at, before, every, sec, temporalCount	Using Temporal Logic in State Actions and Transitions

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Overview of Stateflow Objects

States

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