# Call service node Data inject msg.payload

**URL:** https://discourse.nodered.org/t/call-service-node-data-inject-msg-payload/5909
**Category:** General
**Created:** [17 December 2018 22:30 UTC](https://discourse.nodered.org/t/call-service-node-data-inject-msg-payload/5909 "2018-12-17T22:30:45Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![AZDane](https://avatars.discourse-cdn.com/v4/letter/a/94ad74/32.png) [@AZDane](https://discourse.nodered.org/u/AZDane)
#### Post date: [17 December 2018 22:30 UTC](https://discourse.nodered.org/t/call-service-node-data-inject-msg-payload/5909/1 "2018-12-17T22:30:45Z")

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I'm using a call service node to call alexa\_tts. I want her to say the string from the msg.payload from the previous node.  
A working Data field looks like this:  
{"message":"This is a test"}  
How do i replace "This is a test" with the string in the payload from the calling Node?

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<div class="post-metadata">

### Author: ![AZDane](https://avatars.discourse-cdn.com/v4/letter/a/94ad74/32.png) [@AZDane](https://discourse.nodered.org/u/AZDane)
#### Post date: [18 December 2018 06:14 UTC](https://discourse.nodered.org/t/call-service-node-data-inject-msg-payload/5909/2 "2018-12-18T06:14:17Z")

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Got an answer on the HA Forum:  
{"message":"{{payload}}"}