= zmq_msg_set(3) == NAME zmq_msg_set - set message property == SYNOPSIS *int zmq_msg_set (zmq_msg_t '*message', int 'property', int 'value');* == DESCRIPTION The _zmq_msg_set()_ function shall set the property specified by the 'property' argument to the value of the 'value' argument for the 0MQ message fragment pointed to by the 'message' argument. Currently the _zmq_msg_set()_ function does not support any property names. == RETURN VALUE The _zmq_msg_set()_ function shall return zero if successful. Otherwise it shall return `-1` and set 'errno' to one of the values defined below. == ERRORS *EINVAL*:: The requested property _property_ is unknown. == SEE ALSO xref:zmq_msg_get.adoc[zmq_msg_get] xref:zmq.adoc[zmq] == AUTHORS This page was written by the 0MQ community. To make a change please read the 0MQ Contribution Policy at .