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< h1 id = "porting-an-existing-module-that-uses-the-old-interface" > < a class = "header" href = "#porting-an-existing-module-that-uses-the-old-interface" > Porting an existing module that uses the old interface< / a > < / h1 >
< p > In order to port a module that uses Synapse's old module interface, its author needs to:< / p >
< ul >
< li > ensure the module's callbacks are all asynchronous.< / li >
< li > register their callbacks using one or more of the < code > register_[...]_callbacks< / code > methods
from the < code > ModuleApi< / code > class in the module's < code > __init__< / code > method (see < a href = "writing_a_module.html#registering-a-callback" > this section< / a >
for more info).< / li >
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< p > Additionally, if the module is packaged with an additional web resource, the module
should register this resource in its < code > __init__< / code > method using the < code > register_web_resource< / code >
method from the < code > ModuleApi< / code > class (see < a href = "writing_a_module.html#registering-a-web-resource" > this section< / a > for
more info).< / p >
< p > There is no longer a < code > get_db_schema_files< / code > callback provided for password auth provider modules. Any
changes to the database should now be made by the module using the module API class.< / p >
< p > The module's author should also update any example in the module's configuration to only
use the new < code > modules< / code > section in Synapse's configuration file (see < a href = "index.html#using-modules" > this section< / a >
for more info).< / p >
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