# Metadata Input
##  Metadata Input
### Description
The Metadata Input transform gives you access to the Hop Metadata items in the current project.
It outputs all the metadata objects of all types unless one or more types are filtered.
| Hop Engine | ✓ |
| ---------- | ------------ |
| Spark | ? |
| Flink | ? |
| Dataflow | ? |
### Options
You can specify the field names of the information you need, or not.
You can also specify one or more type filters to limit the output of the transform.
For example, you can select filter 'rdbms' to only see the relational database connection metadata in the output.
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# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.primeur.com/data-shaper-1.21/knowing-the-data-shaper-designer/pipelines/transforms/metadata-input.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.