# Error in converting value for property 'Quantity' to type 'Double

**URL:** <https://community.triggre.com/t/error-in-converting-value-for-property-quantity-to-type-double/831>\
**Category:** Support\
**Created:** [November 15, 2024, 11:31am UTC](https://community.triggre.com/t/error-in-converting-value-for-property-quantity-to-type-double/831 "2024-11-15T11:31:56Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kenneth.seraus](https://avatars.discourse-cdn.com/v4/letter/k/839c29/32.png) [@kenneth.seraus](https://community.triggre.com/u/kenneth.seraus)\
**Post date:** [November 15, 2024, 11:31am UTC](https://community.triggre.com/t/error-in-converting-value-for-property-quantity-to-type-double/831/1 "2024-11-15T11:31:56Z")

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Hi all,

I’m getting the following reponse:

\<?xml version="1.0" encoding="utf-8" standalone="yes"?\> `` Error in converting value for property 'Quantity' to type 'Double'

I’m trying to make a post call with to following body:

 ![image](https://canada1.discourse-cdn.com/flex035/uploads/triggre/original/1X/2eedb240a48d0700c2fbb4b6fdf197b4e4c2a4d7.png)

But as stated above I’m getting back a “Error in converting value for property ‘Quantity’ to type 'Double” response.

Using postman with this body doesn’t give any issues btw:

 ![image](https://canada1.discourse-cdn.com/flex035/uploads/triggre/original/1X/d0753d7bf5ff7e7764f20128f9153df6c2b4319e.png)

Does anyone know what the problem could be in this situation?

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**Author:** ![Eddie](https://yyz1.discourse-cdn.com/flex035/user_avatar/community.triggre.com/eddie/32/89_2.png) [@Eddie](https://community.triggre.com/u/Eddie)\
**Post date:** [November 15, 2024, 12:15pm UTC](https://community.triggre.com/t/error-in-converting-value-for-property-quantity-to-type-double/831/2 "2024-11-15T12:15:54Z")

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Hi Kenneth,  
Please check this Triggre Weekend Masterclass to check the message sent from Triggre [68. Check the content of API calls](https://community.triggre.com/t/68-check-the-content-of-api-calls/712)

This should show you the real message you’re sending, which allows you to handle any errors

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**Author:** ![system](https://canada1.discourse-cdn.com/flex035/uploads/triggre/original/1X/367281c6ef0a1cef3dd636979e56e8a6918e707f.png) [@system](https://community.triggre.com/u/system)\
**Post date:** [November 18, 2024, 4:16pm UTC](https://community.triggre.com/t/error-in-converting-value-for-property-quantity-to-type-double/831/3 "2024-11-18T16:16:08Z")

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