Variables
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What is Variables?
Variables in GraphQL pass dynamic values to queries and mutations, making them flexible and reusable. Defined with the $ symbol and a type, their values are passed in a separate JSON object. Variables are type-safe, ensuring values match the defined types.
Free resources to learn Variables
- Official docsIntro to Variables in GraphQL
- ArticleGraphQL Variables
More in stage 2: GraphQL Queries
Variables: common questions
Can I learn Variables in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Variables in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Variables tutorial for beginners?
It is lesson 10 of 65 in the free GraphQL roadmap, in stage 2, GraphQL Queries. If you are new to GraphQL, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.