[7.x] Added message variables button for Webhook body form field (#60174)#60340

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YulNaumenko merged 1 commit intoelastic:7.xfrom YulNaumenko:backport/7.x/pr-60174

Mar 17, 2020

+43-1

Commits on Mar 17, 2020

Added message variables button for Webhook body form field (elastic#60174 )
YulNaumenko
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