> ## Documentation Index
> Fetch the complete documentation index at: https://hilos-40.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Tag step

The Tag Step enables you to replace or append Contact or Conversation tags at any point in a Flow. This Step is useful for adding tags to Contacts or Conversations based on their responses or actions, such as in a survey Flow.

The Step Configuration is straightforward, with a single switch to choose between replacing or appending tags. Additionally, two input fields are provided to enter the tags you wish to replace or append.

![Tag step](https://hilos-media.s3.us-east-2.amazonaws.com/documentation/userdocs/using-hilos/reference/flows/tag-step/tag.png)