Adding a feature layer as dynamic text using an expression
Feature layer dynamic text can be added to the map sheet using a VBScript expression via the Expression Parser dialog box.
- Start ArcMap.
- On the main menu, click Customize > Toolbars > MPS Atlas.
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Click the Add Dynamic Text button  on the MPS Atlas toolbar. on the MPS Atlas toolbar.A crosshair with a letter A appears. 
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Click anywhere in the map sheet layout.
A piece of dynamic text is inserted on the page. 
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Double-click the dynamic text.
The Dynamic Text Properties dialog box appears. 
- Click the Dynamic Text tab if necessary.
- Click the Dynamic Text drop-down arrow and choose Feature Layer.
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Click Insert.
The Feature Layer Attributes text appears in the text box. 
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Click the dynamic text element in the text field.
The Feature Layer Dynamic Text Properties dialog box appears.  
- Click the Data Frame drop-down arrow and choose the data frame that contains the layer with the attributes you want to use.
- Click the Layer drop-down arrow and choose the layer you want to use.
- Click the Return features that and the drop-down arrows and choose options to return the features you want.
- Click OK.
- Click the Expression option in the Text String area.
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Click Edit Script.
The Expression Parser dialog box appears.  
- In the Expression area, click to right of the Generate = expression.
- Double click a field name in the Parameter list.In the Expression area, the field name appears to the right of Generate =: Generate = [NAME].  Tip: Tip:Double click a field name without an _arr suffix. 
- Click Verify.The Output area lists Function evaluated successfully. 
- Click OK to close the Expression Parser dialog box.
- Click OK to close the Feature Layer Dynamic Text Properties dialog box.
- Click OK to close the Dynamic Text Properties dialog box.The feature layer dynamic text displays in the page layout. 
 Note:
Note:If you change the layer or data frame, the expression will be cleared. A new layer will require a new set of function parameters.