# How to use blob function?

**URL:** <https://forum.dfinity.org/t/how-to-use-blob-function/5696>\
**Category:** Developers\
**Tags:** Functional-Programming\
**Created:** [July 4, 2021, 8:50am UTC](https://forum.dfinity.org/t/how-to-use-blob-function/5696 "2021-07-04T08:50:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![harish007](https://avatars.discourse-cdn.com/v4/letter/h/a88e57/32.png) [@harish007](https://forum.dfinity.org/u/harish007)\
**Post date:** [July 4, 2021, 8:50am UTC](https://forum.dfinity.org/t/how-to-use-blob-function/5696/1 "2021-07-04T08:50:41Z")

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How to use blob function? I want examples for all functions. can anyone help me?

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**Author:** ![claudio](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.dfinity.org/claudio/32/322_2.png) [@claudio](https://forum.dfinity.org/u/claudio)\
**Post date:** [July 4, 2021, 9:21am UTC](https://forum.dfinity.org/t/how-to-use-blob-function/5696/2 "2021-07-04T09:21:05Z")

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Is this about using Random.blob() to obtain 32-byte of randomness?

See.

Documentation:

> **[Internet Computer | Documentation](https://sdk.dfinity.org/docs/base-libraries/random)**
>
> Documentation for the internet computer.

Example

> **[dfinity/examples](https://github.com/dfinity/examples/tree/master/motoko/random_maze)**
>
> master/motoko/random\_maze

On mobile so hard to write more…