addPatternHint | SignalWire

Add a hint with pattern matching and replacement. This allows you to intercept specific ASR output and rewrite it before it reaches the AI — useful for correcting consistent misrecognitions or normalizing variations.

Parameters

opts

objectRequired

Pattern hint configuration object with the following fields:

opts.hint

stringRequired

Descriptive label for the hint (surfaced to the ASR alongside the pattern).

opts.pattern

stringRequired

Regular expression pattern to match.

opts.replace

stringRequired

Replacement text to substitute when the pattern matches.

opts.ignoreCase

boolean

Whether to ignore case when matching the pattern.

Returns

AgentBase — Returns this for method chaining.

Example

1 import { AgentBase } from '@signalwire/sdk';
2 
3 const agent = new AgentBase({ name: 'support', route: '/support' });
4 agent.setPromptText('You are a helpful assistant.');
5 // Correct common ASR misrecognition
6 agent.addPatternHint({
7   hint: 'SignalWire brand name',
8   pattern: 'signal\\s*wire|signal\\s*wired',
9   replace: 'SignalWire',
10   ignoreCase: true,
11 });
12 await agent.serve();