# Content Assist preferences

You can customize the Content Assist feature on the Contents Assist panel of the Preferences window. To change the Content Assist preferences click Window > Preferences > C/C++ > Editor > Content Assist.

Content Assist Preference Options
Insert single proposals automatically | Inserts an element into your code when the Content Assist feature finds only one proposal.
Insert common prefixes automatically | Inserts common prefixes.
Completion Proposal Filter | Completion proposal filters may have been supplied with your Eclipse CDT distribution. Completion proposal filters can sort and order the proposals provided by the Content Assist feature to best suit your needs. Select the desired content assist filter from the list of available filters.
Enable "." as trigger | Enable to use "." as a trigger for auto-completion.
Enable "->" as trigger | Enable to use "->" as a trigger for auto-completion.
Enable "::" as trigger | Enable to use "::" as a trigger for auto-completion.
delay (ms) | Specifies the number of milliseconds before Content Assist is activated.

Coding aids

Customizing the C/C++ editor
Working with Content Assist

C/C++ editor preferences