freeswitch - How to set Application-UUID for Applications executed from ESL -


i know triggering executeapplication call each channel_execute event. in managed esl's executeasync method there no parameter supporting this. signature is:

public eslevent executeasync(string app, string arg, string uuid)

when app started executeasync freeswitch generates uuid application , presen't in subsequent channel_execute event's application-uuid header field. problem executeasynch call doesn't return uuid. makes tricky track channel_execute events if there multiple running applications. event returned executeasynch has following form (no uuid present):

{       "event-name": "socket_data",     "content-type": "command/reply",     "reply-text": "+ok" }

for example api call execution bgapi supports job_uuid parameter value of job-uuid header field related background_job events.

 public eslevent bgapi(string cmd, string arg, string job_uuid)

how can same achieved dialplan applications playback?

i have checked if maybe hidden managed wrapper, esl_execute function in esl.c (wich used wrapper's executeasync method) doesn't seem support either:

esl_declare(esl_status_t) esl_execute(esl_handle_t *handle, const char *app, const char *arg, const char *uuid)

according documentation of sendmsg event-uuid header value designed purpose. esl_execute function in api uses esl_send_recv send self composed sendmsg message, unfortunately not provide way set field. 1 way go compose similar sendmsg message contains event-uuid field , send via esl_send_recv.

for example managed esl:

public void executeapplication(eslconnection conn, string application, string appparams, string uiid, string jobid) {     var header = new dictionary<string, string>     {         {"call-command", "execute"},         {"execute-app-name", application },         {"execute-app-arg", appparams },         {"loops", "1" },         {"event-uuid", jobid },     };     string newline = "\n";     var cmd = $"sendmsg {uiid}{newline}" + string.join(newline, header.select(kvp => $"{kvp.key}: {kvp.value}"));     var e = conn.sendrecv(cmd);     ... }

so message sent have following form:

sendmsg bb2652fa-467c-44a1-a2f0-0f5e4363e2f3 call-command: execute execute-app-name: playback execute-app-arg: d:\vox\sample.vox loops: 1 event-uuid: play command id 369

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