How to Change Block Arguments in Magento 2
Vinh Jacker | 03-17-2025
In this post, I’m going to guide you on how to change block arguments in Magento 2.
How to Change Block Arguments
First, you need to modify the targeted block arguments you are going to change.
For the block arguments to be modified, the <referenceBlock> instruction is used.
Below is an example of how to change the existing block argument’s value and also add a new argument.
- Initial block declaration:
<block class="Namespace_Module_Block_Type" name="block.example">
<arguments>
<argument name="label" xsi:type="string">Block Label</argument>
</arguments>
</block>
- Extending layout:
<referenceBlock name="block.example">
<arguments>
<!-- Modified block argument -->
<argument name="label" xsi:type="string">New Block Label</argument>
<!- Newly added block argument -->
<argument name="custom_label" xsi:type="string">Custom Block Label</argument>
</arguments>
</referenceBlock>
Conclusion
That’s all. I have just provided you an instruction on how to modify block arguments in Magento 2 using the <referenceBlock> instruction. I hope it is helpful for you. If you have any questions or new ideas, feel free to leave a comment below.
Thanks for reading!
Jacker is the Chief Technology Officer (CTO) at Mageplaza, bringing over 10 years of experience in Magento, Shopify, and other eCommerce platforms. With deep technical expertise, he has led numerous successful projects, optimizing and scaling online stores for global brands. Beyond his work in eCommerce development, he is passionate about running and swimming.
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