Improving docs for search api usage

[digaobarbosa]

What does this PR do?

updating docs for search api usage. Adding user_metadata on it for example.

Type of Change

• Documentation update

Testing

• I have tested this change locally

Test details:
new api usage with user_metadata

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code where necessary, particularly in hard-to-understand areas
• My changes generate no new warnings or errors
• I have updated the documentation accordingly (if applicable)

Additional Context