Neuron Script for contracts and tokens

Choose the context you need

Context	Input	Result
Contract parameter expression	Values exposed by the contract parameter context	A validation result or calculated parameter value.
State-machine `Calc`	Variables available during evaluation	A value used by the enclosing XML element.
State-machine `Script` action	Machine/action variables and event data	Executes a statement sequence; persist lasting changes explicitly.
Scriptable action attribute	A literal or a braced expression	Supplies an action argument such as a calculated value.
Note-generation expression	Command parameters supplied by the client	Generates a token note for a supported command.

Available variables and functions depend on the context and runtime. A function in the core language is not automatically permitted by a Neuron’s expression restrictions.

Write your first expression

Calculate a value, validate it, and check the expression locally.

Language reference

Look up names, values, assignment, conditions, and control flow.

Functions and execution context

Check exact function behavior and the scope of a script.

State-machine XML

Connect expressions to events, actions, and persisted values.

Your application continues to use the Agent API. You do not need an administrative Script prompt to author contract expressions.

Authoring resources

Neuron Script

Tools and documentation

Choose the context you need

Write your first expression

Language reference

Functions and execution context

State-machine XML

​Choose the context you need

Write your first expression

Language reference

Functions and execution context

State-machine XML

Choose the context you need