You have copied a Symbol from the HQ library to the Project library. This is the Symbol that contains the nested Symbol you want to customize.
Navigate to the Library Browser view, and from the drop-down menu, select the Project library.
In this case: Fire_Detection_Project.
Right click on the Symbol, and from the context menu select Edit.
In the Element Tree view, do the following: a. Click Show All Elements to display all the elements in the layer. b. Click on the Symbol Instance, you want to modify. NOTE: This is the nested symbol that you want to modify.
From the Symbol Instance Properties> Symbol Instance section, in the Symbol Reference field, note or copy the library and Symbol name path and paste it onto the canvas.
TIP: Pasting the information on the canvas allows you to see the library name and the path of the nested Symbol, so you can use the information for the next step.
For this example:Library: Global_Base_HQ1 Library; Symbol: DYN_All_Generic_SummaryStatus_Central_002
Navigate to the Library Browser view, and do the following: a. From the drop-down menu, select the library the nested Symbol is located in. b. In the search field, copy and paste the name of the Symbol from the canvas. Delete the pasted path from the canvas, as it is no longer needed. c. Right-click on the Symbol, and from the context menu click Customize. d. Once the Symbol displays in the Project Library, right-click on the Symbol, and from the context menu click Edit.
The nested Symbol displays.
In the Element Tree, click on the element, in this case Ellipse, you want to customize.
According to the existing evaluation, the element’s Fill color changes according to Text Group values.
In the Evaluation Editor, set or modify the evaluations, as needed. In this case, modify the following: a. From the Property drop-down menu, select Fill. b. In line 20 of the Condition/Value table click the gray rectangle and type the color: purple.
Click Save As and save the modified Symbol to the L4 Project based library.