Function extractContentText

extractContentText(program: Program): string
Concatenates the visible text of every message in a program.
Parameters
- program: Program
  Program to read.
Returns string
The combined message text, empty when the program has no text.
Example
```
const answer = extractContentText(await ctx.invoke("core/turn-1", request));
```
Remarks
This reads completed messages. For text arriving on a streaming chunk use delta.extractContentText instead.