docs/api/libraries/mixins/graphql-script-child-mixin.md
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layout: layout-api
package: '@apollo-elements/mixins'
module: graphql-script-child-mixin.js
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# Web Component Libraries >> Class Mixins >> GraphQLScriptChildMixin || 70
`GraphQLScriptChildMixin` allows Apollo elements to read their GraphQL document (i.e. query, mutation, or subscription) and variables from HTML `<script type="application/graphql">` or `<script type="application/json">` elements