# Set input parameters using flow script

Instead of defining all input parameters directly in the step, you can form input parameters in flow script and use that record as input parameters. Flow script is placed before the OData call.

This allows user to

* safely change the connector in step without having to manually add all input parameters
* allow to modify the parameters using flow script expressions
* add changed parameters without refreshing the step and/or projection.

## How

1. Obtain the record mapping from the step and copy the script to clipboard.

<figure><img src="/files/lyr4fsSOX2YjW9lOzyNM" alt=""><figcaption></figcaption></figure>

2. Paste it to flow script step before the operation where it is used. Add necessary values: flow variables (example name), functions or static values.&#x20;

<figure><img src="/files/iYxTg6O2nuViHcAKfaAl" alt=""><figcaption></figcaption></figure>

3. Change to new record instead of the default "Custom Record"

<figure><img src="/files/Mj3fJGcygGOKPj0y3aHJ" alt=""><figcaption></figcaption></figure>

Same record can be used in every step with the same operation.


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