Yes use this https://www.mql5.com/en/docs/globals
To write in the expert and read in the indicator.
![Documentation on MQL5: Global Variables of the Terminal Documentation on MQL5: Global Variables of the Terminal](https://c.mql5.com/36/24/documentation-on-mql5-global-variables.png)
Documentation on MQL5: Global Variables of the Terminal
- www.mql5.com
Global variables are kept in the client terminal for 4 weeks since the last access, then they will be deleted automatically. An access to a global variable is not only setting of a new value, but reading of the global variable value, as well.
![MQL5 - Language of trade strategies built-in the MetaTrader 5 client terminal](https://c.mql5.com/i/registerlandings/logo-2.png)
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My EA has two prices stored in two double variables. I want to plot those two prices as horizontal lines and then plot a histogram in between them. I can only plot a histogram between two buffers in an indicator. The values exist only inside the EA.
How can I get the values from me EA into the Indicator to plot the histogram?
Thank you
Ray