# How can i generate a certificate with 2.0 Specification & displayHTML attribute?

**URL:** <https://community.blockcerts.org/t/how-can-i-generate-a-certificate-with-2-0-specification-displayhtml-attribute/974>\
**Category:** Support\
**Created:** [April 17, 2018, 10:05am UTC](https://community.blockcerts.org/t/how-can-i-generate-a-certificate-with-2-0-specification-displayhtml-attribute/974 "2018-04-17T10:05:02Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![gaozd](https://avatars.discourse-cdn.com/v4/letter/g/d78d45/32.png) [@gaozd](https://community.blockcerts.org/u/gaozd)\
**Post date:** [April 17, 2018, 10:05am UTC](https://community.blockcerts.org/t/how-can-i-generate-a-certificate-with-2-0-specification-displayhtml-attribute/974/1 "2018-04-17T10:05:02Z")

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The android wallet requires that a certificate with 2.0 Specification & displayHTML attribute.  
How can i generate a certificate with 2.0 Specification & displayHTML attribute?  
Thanks

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**Author:** ![sandoche](https://sea2.discourse-cdn.com/flex016/user_avatar/community.blockcerts.org/sandoche/32/326_2.png) [@sandoche](https://community.blockcerts.org/u/sandoche)\
**Post date:** [April 30, 2018, 1:08pm UTC](https://community.blockcerts.org/t/how-can-i-generate-a-certificate-with-2-0-specification-displayhtml-attribute/974/2 "2018-04-30T13:08:21Z")

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Hi,

You can fix it adding this to conf.ini:

```auto
additional_global_fields = {"fields": [{"path": "$.displayHtml","value": "<h1>Hello World</h1>"}]}

```

Hope it helps!

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**Author:** ![kim](https://sea2.discourse-cdn.com/flex016/user_avatar/community.blockcerts.org/kim/32/307_2.png) [@kim](https://community.blockcerts.org/u/kim)\
**Post date:** [April 30, 2018, 5:46pm UTC](https://community.blockcerts.org/t/how-can-i-generate-a-certificate-with-2-0-specification-displayhtml-attribute/974/3 "2018-04-30T17:46:15Z")

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Also note that @sandoche just submitted a PR to cert-tools to help out with this