## OPERATION: Empty Body with "echoOk" header block MU="wrong". (Test T14)

This operation sends a string value in the echoOk header block. The target of the header block is explicitly the ultimate receiver. MustUnderstand is set with the invalid value "wrong".

### Enter the SOAP service endpoint URL you wish to use:

### Enter the string value for the header block:

### Request message buffer:

### Response message buffer: