text stringlengths 0 59.1k |
|---|
}); |
// Use longer TTL for stable prompts |
return await prompts.getPrompt({ |
promptName: "system-instructions", |
promptCache: { ttl: 3600, enabled: true }, |
}); |
``` |
### Clear Cache |
Force refresh by clearing the cache: |
```typescript |
voltOpsClient.prompts.clearCache(); |
``` |
### Cache Strategy Recommendations |
| Prompt Type | TTL | Rationale | |
| ------------------------ | -------- | --------------------------------------------- | |
| High-frequency greetings | 60s | Frequently accessed, small updates acceptable | |
| System instructions | 3600s | Rarely changes, benefit from longer cache | |
| Personalized prompts | Disabled | Dynamic content, always fetch fresh | |
```typescript |
// High-frequency prompts: short TTL |
await prompts.getPrompt({ |
promptName: "chat-greeting", |
promptCache: { ttl: 60, enabled: true }, |
}); |
// Stable prompts: long TTL |
await prompts.getPrompt({ |
promptName: "system-instructions", |
promptCache: { ttl: 3600, enabled: true }, |
}); |
// Dynamic prompts: no cache |
await prompts.getPrompt({ |
promptName: "personalized-prompt", |
promptCache: { enabled: false }, |
variables: { userId: dynamicUserId }, |
}); |
``` |
### Preloading Prompts |
Preload critical prompts at application startup: |
```typescript |
const criticalPrompts = ["welcome-message", "error-handler", "main-agent"]; |
await Promise.all(criticalPrompts.map((name) => prompts.getPrompt({ promptName: name }))); |
``` |
## Chat Prompts |
Chat prompts define multi-message conversations with role-based structure. |
### Fetching Chat Prompts |
```typescript |
const agent = new Agent({ |
name: "ChatAgent", |
model: openai("gpt-4o-mini"), |
instructions: async ({ prompts }) => { |
return await prompts.getPrompt({ |
promptName: "chat-support-prompt", |
variables: { |
agentRole: "customer support specialist", |
companyName: "VoltAgent Corp", |
}, |
}); |
}, |
}); |
``` |
### Chat Prompt Structure |
Chat prompts return a structure with messages: |
```typescript |
{ |
type: "chat", |
messages: [ |
{ role: "system", content: "You are a customer support specialist." }, |
{ role: "user", content: "Hello, I need help." }, |
{ role: "assistant", content: "Hello! How can I assist you today?" } |
] |
} |
``` |
## Error Handling |
Implement fallback strategies for network failures or missing prompts: |
```typescript |
instructions: async ({ prompts }) => { |
try { |
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