> For the complete documentation index, see [llms.txt](https://docs.hex-rays.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hex-rays.com/8.4/developer-guide/idc/idc-api-reference/alphabetical-list-of-idc-functions/1254.md).

# gen\_simple\_call\_chart

```
Generate a function call graph GDL file
     outfile - output file name. GDL extension will be used
     title   - graph title
     ea1     - beginning of the range to flow chart
     ea2     - end of the range to flow chart. if ea2 == BADADDR
               then ea1 is treated as an address within a function.
               That function will be flow charted.
     flags   - combination of CHART_GEN_GDL, CHART_WINGRAPH, CHART_NOLIBFUNCS

success gen_simple_call_chart(string outfile, string title, long flags);
```


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.hex-rays.com/8.4/developer-guide/idc/idc-api-reference/alphabetical-list-of-idc-functions/1254.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
