|   SCREEN FUNCTION DYNAMICS - BEHAVIOUR OF CHARTS |   DEVELOPER |  | 
Trail: PROIV Documentation > Developer > PROIV Developer > Developing Functions > Screen Function Dynamics Charts > Screen Function Dynamics - Behavior of Charts
The following are the behavioural parameters that you can define for charts:
1.     Double-click the chart object.
The Chart properties window appears.
2. Click Behavior tab.
3. To set the chart’s runtime behaviour, configure the properties as required and click OK.
| Item | Description | 
| Tab Stop | Select the check box to ensure the chart is visited when the TAB key is pressed. | 
| No Change | Select the check box to ensure the chart contents cannot be changed. | 
| Display Only | Select the check box to ensure the chart is display only. | 
| Visibility | Select one of the following options: Normal ('') - rendered and visited in all modes. Windows Client Only ('W') – rendered and visited only in Windows Client mode. Open Client Only ('O') - rendered and visited only in Open Client mode. | 
| Tag | Enter the unique Tag of the chart. All fields must have a Tag. Using meaningful Tag names makes the function more readable. | 
| Associated Tag | Select the Tag of the field with which the chart is associated. You can select from a list of defined Tags. | 
| Security | Set the minimum security level (1-9) to allow change/lookup on the chart. | 
Topic ID: 500692