# put\_bookmark

```
    mark position
         ea      - address to mark
         lnnum   - number of generated line for the 'ea'
         x       - x coordinate of cursor
         y       - y coordinate of cursor
         slot    - slot number: 0..1023
                   if the specified value is not within the range,
                   IDA will ask the user to select slot.
         comment - description of the mark.
                   Should be not empty.
    returns: none

    void put_bookmark(long ea, long lnnum, long x, long y, long slot, string comment);
```


---

# Agent Instructions: 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/9.0sp1/developer-guide/idc/idc-api-reference/alphabetical-list-of-idc-functions/367.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.