You can customize a probe to be used as data or trigger or both in the Vivado Hardware Manager. Probes that participate in trigger or capture compare values are configured as "trigger" only probes. This optimizes the use of BRAMs by the ILA core. Typically, probes whose data needs to be captured are configured as "data" only probes. Probes that participate in both trigger compare values, and whose data needs to be captured should be configured as "trigger and data".
You can configure probes as data or trigger or both using the Set up Debug wizard as shown in the following figure.
When you program the device at runtime with a design containing probes configured as "data" only, you will not be able to use these probes to configure trigger or capture setup conditions. Conversely, you will not be able to use probes configured as "trigger" only in the Waveform window.