Http Pull Resource need detailed information

[Ivelraj1997]

Please describe your problem in detail, if necessary, you can upload the log file through the attachment:
Hello ,

I need few queries on following questions

1. How to use data template to form dynamic payload and header to send http request ? (Ex. Elastic Search Dynamic Query)?
2. How to trigger http source at that time of rule trigger and not frequently?

Thanks Advance.

[ngjaying]

Do you mean httppull source? Source is the first operator of a rule thus it did not receive "dynamic" content from previous operator, how do you expect to "form dynamic payload"?