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Multi-word stream attribute and pipe names should be in camel case.
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- All user-defined variables must start with the $ character.
- For multi-word variable names, use no spaces and camel case.
- It can be useful to know whether a variable is used in other expressions. As there is no way to check this,
it is important to have a convention for naming variables.- These can be
- local - only used in the current expression or expressions in the current attribute.
- global - used in the expressions for other attributes in the same stream.
For information on making $-variables reusable in an application, see
- we recommend using the following naming convention:
- To distinguish between $-variables that are:
- only used in the current expression or attribute, use a lowercase first letter, for example
$percent.
These may be called "local"are sometimes called local. - used in other expressions or attributes, use an uppercase first letter, for example
$Percent.
- global
For multi-word names, use no spaces and camel case.- These are sometimes called global.
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| Examples |
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| stream attribute | MainCompanyName |
| pipe | inPipe |
| global $-variable | $CompanyLocationCounter |
| local $-variable | $companyOldAddress |
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