====== Text box widget ======
  Use text box widget to display custom text in the dashboard

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===== Overview =====

 Textbox widget displays textual information, annotations, or custom messages within the dashboard. 
It supports dynamic content insertion using "$" sign, allowing adaptation based on user selections of dashboard variable.
Additionally, it can incorporate hyperlinks to redirect users to external resources or related dashboards.
===== Examples =====

  * **Contextual Information:** Add descriptions of key metrics or data sources to provide context for users.
  * **Annotations:** Highlight important trends or insights within the dashboard with comments or annotations.
  * **Custom Messages:** Display dynamic messages based on system status changes or alerts for upcoming events.
  * **Dynamic Content Insertion:** Incorporate the value of selected variables into the text, such as displaying the name of the chosen variable.
  * **Hyperlinks:** Embed hyperlinks within the text to redirect users to external resources or related dashboards for additional information or further analysis.