# RXS_GetComposeBufferLen()

Returns the current length of the composed data in the buffer.

## Subprocedure Prototype

| Field | Description |
|---|---|
| `     D RXS_GetComposeBufferLen...      D                 PR            10U 0 Extproc('RXS_GetComposeBufferLen')` | Returns the current length of the composed data in the buffer |


## Example Code

### Ex. 1: Retrieve length of XML from Buffer
```rpgle
      *--------------------------------------------------------------
      * This example code retrieves the composition engine buffer and 
      *  length and stores it in the field gXmlRequestLen.
      *--------------------------------------------------------------
     H DFTACTGRP(*NO) BNDDIR('RXSBND') ACTGRP(*CALLER)

      /copy QRPGLECPY,RXSCB

     D gXmlRequestLen     S          10U 0

      /free 
       gXmlRequestLen = RXS_GetComposeBufferLen();

       *INLR = *ON;
      /end-free
```